NASA, the National Aeronautics and Space Administration, is the U.S. federal agency responsible for the civil space program, aeronautics, and space research. Established in 1958, succeeding NACA, it focuses on peaceful applications of space science. Headquartered in Washington, D.C., with ten field centers, NASA is structured into mission directorates, including Science, Space Operations, and Exploration Systems Development. It has spearheaded major U.S. space exploration programs, such as Project Mercury, Project Gemini, the Apollo program, Skylab, and the Space Shuttle program.
NASA has updated its Artemis lunar program, adding a mission and changing its roadmap. SpaceX's Starship may not be ready for the revamped Artemis 3 mission, creating uncertainty about the program's schedule.
In 1914, the US Congress created the Aviation Section of the US Army Signal Corps because the United States recognized that it was far behind Europe in aviation capability.
In 1915, the National Advisory Committee for Aeronautics (NACA) was established to foster aeronautical research and development.
In 1956, the Air Force's Man in Space Soonest project was formed, coupled with the Army's Project Adam, serving as the foundation for Project Mercury.
On February 1, 1958, the Army Ballistic Missile Agency launched Explorer 1, America's first satellite.
On July 29, 1958, NASA was established with the signing of the National Aeronautics and Space Act, splitting the US's military and civil spaceflight programs.
On October 1, 1958, NASA began its operations.
In 1958, NASA was established as an independent agency of the U.S. federal government, succeeding the National Advisory Committee for Aeronautics (NACA). This gave the American space development effort a civilian orientation, emphasizing peaceful applications in space science.
In 1959, the NASA Sounding Rocket Program (NSRP) began operations at the Wallops Flight Facility, providing launch capability, payload development, and field operations support for suborbital missions.
In 1960, NASA launched the Television Infrared Observation Satellite (TIROS), the first weather satellite, in collaboration with the US Weather Bureau. This launch was significant for advancing Earth observation and weather forecasting capabilities.
On May 5, 1961, Alan Shepard became the first American to enter space, performing a suborbital spaceflight in the Freedom 7.
On May 25, 1961, President John F. Kennedy openly declared the goal to land a man on the Moon and return him safely to Earth by the end of the 1960s in his "Urgent National Needs" speech to Congress.
On February 20, 1962, John Glenn conducted NASA's first orbital spaceflight in the Friendship 7, making three full orbits before reentering.
On September 12, 1962, President Kennedy gave his "We choose to go to the Moon" speech at Rice University, hoping to reinforce public support for the Apollo program.
In May 1963, Gordon Cooper flew the sixth and final Mercury mission in the Faith 7, performing 22 orbits over 34 hours.
In 1964, despite attacks on the goal of landing astronauts on the Moon from former president Dwight Eisenhower and 1964 presidential candidate Barry Goldwater, President Kennedy was able to protect NASA's growing budget.
In 1967, following the Apollo 1 accident, Congress mandated NASA to establish an Aerospace Safety Advisory Panel (ASAP) to advise on safety issues within NASA's air and space programs.
From 1968, NASA led the Apollo program missions.
In 1968, the Apollo 8 mission was the first crewed spacecraft to leave low Earth orbit and the first human spaceflight to reach the Moon. The crew orbited the Moon ten times on December 24 and 25, 1968, and then traveled safely back to Earth.
In 1969, Apollo 11 landed on the Moon using a mix of US customary units and metric units.
In 1969, NASA designated the Johnson Space Center as the lead center for the design, development, and manufacturing of the Space Shuttle orbiter. Meanwhile, the Marshall Space Flight Center would lead the development of the launch system. This decision set the stage for the Space Shuttle program.
Since the Apollo 11 mission in 1969, NASA has maintained an influence on American popular culture.
By 1971, NASA established the Space Program Advisory Council to provide the administrator with advisory committee support.
In 1972, NASA launched its first dedicated Earth observation satellite, Landsat. This launch marked a significant step in NASA's Earth observation efforts, leading to the joint development of the Geostationary Operational Environmental Satellite and the discovery of ozone depletion.
In 1972, NASA led the Apollo program missions.
In 1972, official development of the Space Shuttle began, with Rockwell International contracted to design the orbiter and engines, Martin Marietta for the external fuel tank, and Morton Thiokol for the solid rocket boosters. NASA acquired six orbiters: the Enterprise, Columbia, Challenger, Discovery, Atlantis, and Endeavour. This marked a crucial step in the Space Shuttle program.
In 1973, NASA launched its first space station, Skylab, on the final launch of the Saturn V.
In 1974, the Skylab space station hosted nine missions.
In 1975, the Apollo–Soyuz mission marked the first international spaceflight and a major diplomatic accomplishment between the Cold War rivals. It also marked the last flight of the Apollo capsule.
In 1976, the Viking program consisted of two landings on Mars.
In 1977, the Space Program Advisory Council and the Research and Technology Advisory Council were combined to establish the NASA Advisory Council (NAC).
In 1977, the Voyager program was launched, conducting flybys of Jupiter and Saturn, Neptune, and Uranus on a trajectory to leave the Solar System.
Following Skylab's reentry in 1979, NASA never gave up on the idea of a space station. The agency started advocating for a larger space station to be built as soon as the Space Shuttle began flying.
In 1979, the Skylab space station was decommissioned and deorbited.
In 1981, the first Space Shuttle flight occurred with the launch of the Columbia on the STS-1 mission. This mission was designed as a flight test for the new spaceplane and marked the beginning of the Space Shuttle era, with NASA aiming to replace expendable launch systems.
In 1984, NASA found a strong advocate in President Ronald Reagan, who supported building a larger space station, which was sold as an orbital laboratory, repair station, and a jumping-off point for lunar and Mars missions.
In 1984, during the STS-41-C mission, the Challenger captured and repaired the malfunctioning Solar Maximum Mission satellite. This marked the world's first on-orbit satellite servicing mission, showcasing a new capability in space operations.
In 1985, NASA proposed the Space Station Freedom as an international program, backed by both the agency and President Reagan. An international agreement to develop the Space Station Freedom program was signed with thirteen countries including the European Space Agency (ESA) member states, Canada, and Japan.
In 1986, the Challenger disaster occurred on the STS-51L mission, resulting in the loss of the spacecraft and all seven astronauts. The event led to the grounding of the space shuttle fleet for 36 months and forced commercial companies to return to expendable launch vehicles. This had a significant impact on NASA's space program and commercial space ventures.
In 1990, the Hubble Space Telescope was launched on STS-31 from the Discovery and could view galaxies 15 billion light years away.
Since 1990, NASA has been directly purchasing expendable launch vehicle services from commercial providers for its scientific and application missions, operating from Kennedy Space Center.
In 1991, the Compton Gamma Ray Observatory was launched from the Atlantis on STS-37, discovering a possible source of antimatter at the center of the Milky Way and observing that the majority of gamma-ray bursts occur outside of the Milky Way galaxy.
In 1992, the Rockwell X-30 National Aerospace Plane program was canceled before reaching flight status due to the end of the Cold War. The X-30 was a joint program with the Department of Defense designed to be a single-stage-to-orbit spaceplane with both civil and military applications.
In the early 1990s, several redesigns to reduce cost were conducted for Space Station Freedom in 1992, stripping away much of its functions. Despite calls for Congress to terminate the program, it continued.
In September 1993, NASA and Roscosmos began cooperating on the development and operation of the International Space Station.
By 1993, President Bill Clinton attempted to significantly reduce NASA's budget and directed that costs be significantly reduced, aerospace industry jobs were not lost, and the Russians be included in the project.
In 1993, US budget constraints led to the merger of NASA's Space Station Freedom project with the Russian Mir-2 station, the European Columbus station, and the Japanese Kibō laboratory module into a single multi-national program called the International Space Station (ISS).
In 1993, the Clinton Administration announced that the Space Station Freedom would become the ISS in an agreement with the Russian Federation. This allowed the Russians to maintain their space program. The US built and launched the majority of the ISS, with Russia, Canada, Japan, and the ESA contributing components.
In 1994, the Socioeconomic Data and Applications Center (SEDAC) was founded to archive and distribute data related to human interactions in the environment, synthesizing Earth science and socioeconomic data.
In 1994, the first Russian cosmonaut flew on the STS-60 mission as part of the Shuttle-Mir program. This marked a significant step in cooperation between the United States and Russia in space exploration following the collapse of the Soviet Union.
On June 16, 1995, the first image appeared in the APOD Archive.
In 1996, Follow-on missions were launched, with the Mars Global Surveyor orbiter and Mars Pathfinder, deploying the first Mars rover, Sojourner.
In 1998, the Shuttle-Mir program came to an end following a series of orbital accidents on the space station. Despite its conclusion, the program facilitated significant cooperation between the US and Russia in space and paved the way for future international collaborations.
In 1998, the US Congress gave NASA a mandate to detect 90% of near-Earth asteroids over 1 km in diameter by 2008 to mitigate the threat of global devastation.
In 1998, the on-orbit assembly of the International Space Station (ISS) began. Components were manufactured worldwide and launched by Russian Proton and Soyuz rockets, and the American Space Shuttle.
Since 1998, cooperative actions between the US, the European Union, and other nations had been scanning the sky for NEOs in an effort called Spaceguard.
On September 23, 1999, a mixup between NASA's use of SI units and Lockheed Martin Space's use of US units resulted in the loss of the Mars Climate Orbiter.
In 1999, NASA visited 433 Eros with the NEAR Shoemaker spacecraft, leading to its orbit insertion in 2000 and detailed imaging of the asteroid.
In 1999, the Chandra X-ray Observatory was launched from the Columbia on STS-93, observing black holes, quasars, supernova, and dark matter. It provided critical observations on the Sagittarius A* black hole at the center of the Milky Way galaxy and the separation of dark and regular matter during galactic collisions.
In 2000, the NEAR Shoemaker spacecraft entered orbit around 433 Eros, enabling detailed imaging and study of the asteroid.
In 2001, the 2001 Mars Odyssey orbiter reached the planet Mars.
In 2001, the VentureStar spaceplane, a Lockheed Martin X-33 demonstrator, was canceled due to technical challenges. This spacecraft was intended to replace the Space Shuttle and represents a significant investment by a commercial space company.
On May 8, 2003, the Environmental Protection Agency recognized NASA as the first federal agency to directly use landfill gas to produce energy at one of its facilities.
Following the Space Shuttle Columbia disaster in 2003, NASA was forced to rely on Russian Soyuz launches for its astronauts. This highlights the impact of the disaster on NASA's capabilities and international cooperation in space.
Following the Space Shuttle Columbia disaster in 2003, President Bush initiated the Constellation program to replace the Space Shuttle and expand space exploration beyond low Earth orbit, aiming to return astronauts to the Moon. This was intended to use existing Space Shuttle equipment.
In 2003, the Space Shuttle Columbia was destroyed upon reentry during the STS-107 mission, resulting in the loss of the spacecraft and all seven astronauts. This accident marked the beginning of the Space Shuttle program's retirement.
In November 2004, the Neil Gehrels Swift Observatory, a gamma-ray burst observatory, was launched as a joint project by GSFC and an international consortium to monitor afterglows in X-ray and UV/Visible light.
In 2004, NASA also launched missions to Mercury, with the MESSENGER probe demonstrating the first use of a solar sail.
In 2004, the Sprit and Opportunity rovers landed on the planet Mars.
In 2005, the George E. Brown, Jr. Near-Earth Object Survey Act extended the original USA Spaceguard mandate, calling for NASA to detect 90% of NEOs with diameters of 140 m or greater by 2020.
In 2005, the George E. Brown, Jr. Near-Earth Object Survey Act was enacted which calls for NASA to detect 90% of NEOs with diameters of 140 m or greater, by 2020.
In late 2005, NASAcast, the official audio and video podcast of the NASA website, was created.
Finally launched in 2006, the New Horizons mission was the first spacecraft to visit Pluto and the Kuiper belt.
In 2006, NASA and Air Force Space Command signed a similar memorandum of understanding.
In 2006, the Space Shuttle returned to flight, conducting several missions to service the Hubble Space Telescope. This return to flight marked a significant effort to continue space exploration and scientific research after the Columbia disaster.
On March 18, 2007, NASA released NASA EDGE, a video podcast exploring NASA missions, technologies, and projects.
In August 2007, NASA stated that all future missions and explorations of the Moon would be done entirely using the SI system.
In 2007, NASA began collaborating with the FAA and industry stakeholders to modernize the US National Airspace System (NAS) to improve safety, efficiency, and resilience.
By 2008, NASA was originally mandated to detect 90% of near-Earth asteroids over 1 km in diameter, a mandate that was eventually met by 2011.
Between May 2009 and the retirement of the Space Shuttle, the International Space Station (ISS) expedition crew size increased to six crew members. This expansion enhanced the research and operational capabilities of the station.
In December 2009, NASA EDGE downloads exceeded one million.
In 2009, the Kepler space telescope was launched to identify planets orbiting extrasolar stars that may be Terran and possibly harbor life. The first exoplanet that the Kepler space telescope confirmed was Kepler-22b, orbiting within the habitable zone of its star.
In 2009, the WISE/NEOWISE mission was launched by NASA JPL as an infrared-wavelength astronomical space telescope.
In 2009, the completion of the US Orbital Segment of the International Space Station (ISS) occurred. This marked a significant milestone in the international collaboration and construction of the station.
In January 2010, NASA EDGE downloads exceeded one million.
As of February 2010, NASA EDGE had an average download rate of more than 420,000 per month.
In 2010, the Exploration Sciences Building was awarded the LEED Gold rating.
In 2010, the completion of the Russian Orbital Segment of the International Space Station (ISS) occurred. This finalized the initial construction phase of the Russian portion of the station.
In 2011, NASA addressed environmental concerns with its canceled Constellation program in accordance with the National Environmental Policy Act.
In 2011, NASA met the original mandate to detect 90% of near-Earth asteroids over 1 km in diameter that threaten global devastation.
In 2011, the Space Shuttle program was retired following the STS-135 resupply mission to the ISS. This marked the end of an era in space exploration and led to a shift in NASA's focus towards new programs and initiatives.
In 2011, the Wolf Amendment was passed by the US Congress, restricting NASA's direct, bilateral cooperation with the Chinese government without explicit authorization.
In 2011, with the retirement of the space shuttle, Russia became the sole provider of delivery of crew and cargo to the International Space Station (ISS).
Since 2011, the ELaNa program has provided opportunities for NASA to work with university teams to test emerging technologies by providing launch opportunities for CubeSats.
The 2011 retirement of the Space Shuttle accelerated the International Space Station's (ISS) completion. This led to a greater reliance on international partners for resupply and crew transport.
In 2012, the landing of Curiosity discovered that the radiation levels on Mars were equal to those on the International Space Station (ISS), greatly increasing the possibility of Human exploration, and observed the key chemical ingredients for life to occur.
In 2013, NASA repurposed the WISE mission as the NEOWISE mission to find potentially hazardous near-Earth asteroids and comets.
In 2013, the Chelyabinsk meteor, which was 20 meters in size, hit Russia.
In 2013, the Mars Atmosphere and Volatile Evolution (MAVEN) mission observed the Martian upper atmosphere and space environment.
In September 2014, NASA and the Indian Space Research Organisation (ISRO) partnered to collaborate on and launch the NASA-ISRO Synthetic Aperture Radar (NISAR) mission.
In 2014, NASA and JAXA launched the Global Precipitation Measurement mission, which includes sensors from both agencies on a NASA satellite launched on a JAXA rocket.
In 2014, NASA started an annual competition named "Cubes in Space" jointly organized with I Doodle Learning, aimed at teaching students to design and build scientific experiments for space launch.
In 2014, the NASA Authorization Act reaffirmed the importance of the Aerospace Safety Advisory Panel (ASAP).
In 2014, the US consumed 803 million US gallons of liquid fuels per day, while a Falcon 9 rocket first stage burns around 25,000 US gallons of kerosene fuel per launch.
In 2016, NASA established the Planetary Defense Coordination Office (PDCO) to catalog and track potentially hazardous near-Earth objects and develop defense strategies.
On June 21, 2017, KalamSAT, the world's smallest satellite, was launched as part of the Cubes in Space program.
In 2018, NASA and other companies launched the CAUTION (CoAtings for Ultra High Temperature detectION) project to enhance the temperature range of Thermal History Coating and improve jet engine safety and efficiency.
In 2018, the Interior exploration using Seismic Investigations Geodesy, and Heat Transport (InSight) studied the Martian interior.
In 2019, NASA announced the Artemis program, intending to return to the Moon and establish a permanent human presence. Paired with this was the Artemis Accords with partner nations to set up rules for commercialization of space on the moon.
In January 2020, NASA officials estimated it would take 30 years to find all objects meeting the 140 m size criteria, exceeding the 2005 mandate timeframe.
As of January 2020, it was estimated that less than half of NEOs with diameters of 140 m or greater had been found, despite the 2005 mandate.
On July 29, 2020, NASA requested proposals from American universities for new technologies to extract water from lunar soil and develop power systems, to support sustainable lunar exploration.
As of August 2020, NASA EDGE had produced 200 vodcasts.
In September 2020, NASA and the Space Force formalized their joint role by signing a memorandum of understanding.
On December 18, 2020, Colonel Michael S. Hopkins, commander of SpaceX Crew-1, was commissioned into the Space Force from the International Space Station.
NASA won the 2020 Webby People's Voice Award for Green in the category Web.
In June 2021, NASA authorized the development of the NEO Surveyor spacecraft to reduce the projected duration to achieve the mandate down to 10 years.
In July 2021, NASA announced contract awards for developing nuclear thermal propulsion reactors with three contractors creating individual designs over 12 months for later evaluation.
On September 27, 2021, Landsat 9, the most recent satellite in the Landsat series, was launched.
In December 2021, the James Webb Space Telescope (JWST) was launched on an Ariane 5 rocket to operate in a halo orbit around the Sun-Earth L2 point, utilizing its infrared sensitivity to observe distant objects.
In 2021, the James Webb Space Telescope, named after the NASA administrator who led the Apollo program, was launched as an infrared observatory. The James Webb Space Telescope is a direct successor to the Hubble Space Telescope, intended to observe the formation of the first galaxies.
In 2021, the Perseverance rover carried the first extraplanetary aircraft, a helicopter named Ingenuity.
In March 2022, the GOES-T satellite (designated GOES-18 after launch) joined the US fleet of geostationary weather monitoring satellites, to study climate change, natural hazards, forest fires, and real-time agricultural processes.
On May 13, 2022, NASA and SpaceX Crew-4 astronauts successfully tested the rHEALTH ONE universal biomedical analyzer in space to assess its ability to identify and analyze biomarkers, cells, microorganisms, and proteins.
In June 2022, NASA conducted its first rocket launch from a commercial spaceport outside the US, launching a Black Brant IX from the Arnhem Space Centre in Australia.
In June 2022, Thomas Zurbuchen, head of NASA's Science Mission Directorate, announced the start of NASA's UAP independent study team, bringing a scientific perspective to the study of dozens of UAP sightings.
In June 2022, two NASA-sponsored CubeSats launched on a Virgin Orbit LauncherOne vehicle as the ELaNa 39 mission.
In July 2022, NASA and Roscosmos signed an agreement to share space station flights, allowing crew from each country to ride on the systems of the other.
On September 26, 2022, the DART spacecraft successfully impacted the Dimorphos asteroid, achieving its mission objective of testing asteroid deflection techniques.
As of October 2022, nine Landsat satellites have been built, with eight of them successfully operating in orbit.
In 2022, the NASA X-57 Maxwell, an experimental all-electric aircraft, was scheduled to fly before the end of the year, after completing ground testing, with development involving NASA Armstrong, Glenn, and Langley centers along with industry partners.
In January 2023, NASA announced a partnership with DARPA on the Demonstration Rocket for Agile Cislunar Operations (DRACO) program to demonstrate a Nuclear Thermal Rocket (NTR) engine in space for future Mars missions.
As of June 2023, 22 countries have signed the Artemis Accords, which define a framework for cooperation in the peaceful exploration of space.
In July 2023, NASA and DARPA jointly awarded $499 million to Lockheed Martin to design and build an experimental Nuclear Thermal Rocket (NTR) rocket, with a planned launch in 2027.
In July 2023, NASA announced a new streaming service known as NASA+.
On November 8, 2023, NASA launched its new streaming service, NASA+, featuring live coverage of launches, documentaries, and original programs.
In 2023, NASA established the Moon to Mars Program office to oversee projects, mission architectures, and timelines related to lunar and Mars exploration and science. This is to facilitate the Artemis program.
In 2023, the NEOWISE mission was extended to continue finding potentially hazardous near-Earth asteroids and comets.
As of December 23, 2024, center director data reflects the operational structure of NASA's ten major field centers and subordinate facilities.
As of 2024, International Space Station (ISS) expeditions using the Commercial Program's crew capsules typically consist of a crew of four, despite the capsules allowing for a crew of up to seven.
In 2024, NASA was tasked by the US Government to create a Time standard for the Moon, which is to be called Coordinated Lunar Time.
On May 31, 2025, Jared Isaacman's first nomination was withdrawn by President Donald Trump.
The NASA-ISRO Synthetic Aperture Radar (NISAR) mission was launched on July 30, 2025.
On November 4, 2025, Jared Isaacman was renominated.
Jared Isaacman is the administrator of NASA since December 2025, after Senate confirmation.
By 2025, major modernization components are intended to be delivered as part of NASA's collaboration with the FAA and industry stakeholders to modernize the US National Airspace System (NAS).
In 2026, the NEO Surveyor spacecraft, is scheduled to launch to survey the Solar System for potentially hazardous asteroids.
In 2026, the Time standard for the Moon is expected to be finalized. The standard is to be called Coordinated Lunar Time
In 2027, NASA and DARPA are planning to launch the experimental Nuclear Thermal Rocket (NTR) rocket designed and built by Lockheed Martin.
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