Major mission of the Explorer program.
AIM's two-year mission is to study Polar Mesospheric Clouds, the Earth’s highest clouds, which form an icy membrane 50 miles above the surface at the edge of space.
Aqua, Latin for water, is a NASA Earth Science satellite mission named for the large amount of information that the mission will be collecting about the Earth's water cycle.
The Aquarius/SAC-D mission launched on June 10, 2011 on a mission to map ocean salinity.
Arctic Research of the Composition of the Troposphere from Aircraft and Satellites
ARTEMIS: Studying the Moon's Interaction With the Sun
The Suzaku mission is a joint effort of JAXA and NASA designed to discover more about the x-ray universe.
A mission dedicated to the health of Earth's atmosphere.
CALIPSO will provide the next generation of climate observations, drastically improving our ability to predict climate change and to study the air we breathe.
Unlocking the secrets of Saturn.
NASA's Chandra X-Ray Observatory probes the mysteries of space with unprecedented x-ray images that help to unravel the structure and evolution of the universe.
CINDI will study the elements that influence space weather near Earth's equator.
CloudSat's cloud-profiling radar is 1,000 times more sensitive than typical weather radar and can detect clouds and distinguish between cloud particles and precipitation.
CHIPS uses an extreme ultraviolet spectrograph to study the "Local Bubble" surrounding our Solar System.
The four Cluster spacecraft carry out 3D measurements in the Earth's Magnetosphere.
Scheduled to launch on Nov. 25, Curiosity will assess whether Mars ever was, or is still today, an environment able to support microbial life.
Dawn launched in September, becoming the first spacecraft ever planned to orbit two different bodies after leaving Earth. The spacecraft will orbit Vesta and Ceres, two of the largest asteroids in the solar system.
Earth Probe Total Ozone Mapping Spectrometer (EP-TOMS), along with the Ozone Monitoring Instrument onboard AURA, are currently the only NASA spacecraft on orbit specializing in ozone retrieval.
As the first New Millennium Program Earth Observing Mission, EO-1 has validated advanced land imaging and unique spacecraft technologies.
NASA's EPOXI mission successfully flew by comet Hartley 2 at about 10 a.m. EDT, Nov. 4, 2010. Hartley 2 is the fifth comet nucleus visited by a spacecraft.
NASA satellites, aircraft, and research know-how have created a wealth of cutting-edge tools to help firefighters battle wildfires.
Mapping the history of star formation in the universe.› Galaxy Evolution Explorer
The Gamma-ray Large Area Space Telescope will answer questions about supermassive black hole systems, pulsars and the origin of cosmic rays.
GOES-N is the latest in a series of satellites that provide a constant vigil for the atmospheric "triggers" for severe weather conditions such as tornadoes and hurricanes.
The Geostationary Operational Environmental Satellite (GOES)-O represents the newest generation of environmental satellites.
The Geostationary Operational Environmental Satellite (GOES)-P represents the newest generation of environmental satellites.
A mission to study the tail of Earth's magnetosphere.
This mission is the relativity gyroscope experiment developed by NASA and Stanford University to test two unverified predictions of Albert Einstein's general theory of relativity.
The twin satellites are making detailed measurements of Earth's gravity field to learn more about gravity and Earth's natural systems.
The Gravity Recovery and Interior Laboratory mission will create the most accurate gravitational map of the moon to date.
Hayabusa (MUSES-C) is Japan's asteroid sample return mission.
The Herschel Space Observatory is a space-based telescope that will study the Universe by the light of the far-infrared and submillimeter portions of the spectrum.
HETE-2 is a small scientific satellite designed to detect and localize gamma-ray bursts.
A collaboration between the space agencies of Japan, the United States, United Kingdom and Europe, Hinode's mission is to investigate the interaction between the sun's magnetic field and its corona.
Learn how Hubble has expanded our knowledge of the cosmos.
Latest storm images and data from NASA.
A mission to achieve the first global observations of the region beyond the termination shock at the very edge of our solar system.
The ICESat mission will provide multi-year elevation data regarding ice sheet mass balance as well as cloud property information, especially for stratospheric clouds common over polar areas.
INTEGRAL is the most sensitive gamma-ray observatory ever launched.
Aboard the International Space Station, astronauts work to improve life on Earth and extend life beyond our home planet.
J-2X is a highly efficient and versatile rocket engine with the ideal thrust and performance characteristics to power the upper stage of a heavy-lift launch vehicle.
Jason-1 is the first follow-on to the highly successful TOPEX/Poseidon mission that measured ocean surface topography.
Beneath its clouds, Jupiter holds secrets about our solar system’s early history. Juno will endeavor to unlock these secretss.
NASA's search for habitable planets.
The Landsat Program is a series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey.
The LCROSS mission's objective is to confirm the presence or absence of water ice in a permanently shadowed crater at the moon's South Pole.
The LRO mission objectives are to find safe landing sites, locate potential resources, characterize the radiation environment, and demonstrate new technology.
NASA's Lunar Quest Program is a multi-element program consisting of flight missions, instruments for lunar missions of opportunity, as well as research and analysis efforts.
Mission to search for subsurface water from orbit.
Rovers Spirit and Opportunity explore the Martian landscape.
This orbiter is mapping the mineralogy and morphology of the Martian surface.
Aboard the Chandrayaan-1 spacecraft, whose technology mission has been completed successfully and now embarks on a scientific mission.
The mission will determine whether long-standing bodies of water ever existed on Mars.
Scheduled to land on Mars in early August 2012, the Curiosity Mars Science Laboratory rover will assess whether Mars ever was, or is still today, an environment able to support microbial life. In other words, its mission is to determine the planet's "habitability."
MESSENGER will study Mercury, the closest planet to the Sun.
The Mini-RF project will fly two radar instruments to the moon to map the lunar poles, search for water ice, and to demonstrate future NASA communication technologies.
NEEMO provides a convincing analog to space exploration, and its crew experiences some of the same challenges underwater as they would in space.
New Horizons began its journey across the solar system to conduct flyby studies of Pluto and its moon.
NOAA-N is the latest in a series of polar-orbiting satellites, that will collect information to improve weather prediction and climate research across the globe.
NOAA-N Prime will provide a polar-orbiting platform to support environmental monitoring instruments for imaging and measuring Earth's atmosphere and sea surface temperature.
NPP launched from Vandenberg Air Force Base on Oct. 28, on a mission to measure both global climate changes and key weather variables.
The joint NASA-French satellite will help scientists better monitor and understand rises in global sea level, study the world's ocean circulation and its links to Earth's climate.
Operation Ice Bridge, a six-year NASA field campaign, is the largest airborne survey of Earth's polar ice ever flown. It will yield a three-dimensional view of Arctic and Antarctic ice sheets, ice shelves and sea ice.
Planck will provide a map of the Cosmic Microwave Background (CMB) field.
POES is a cooperative effort between NASA and the National Oceanic and Atmospheric Administration (NOAA), the United Kingdom and France.
RHESSI's primary mission is to explore the basic physics of particle acceleration and explosive energy release in solar flares.
Rosetta will orbit comet 67P and accompany it on its journey to the Sun.
RXTE is a satellite that observes the fast-moving, high-energy worlds of black holes, neutron stars, X-ray pulsars and bursts of X-rays that light up the sky and then disappear forever.
The SERVIR initiative integrates satellite observations, ground-based data and forecast models to monitor and forecast environmental changes.
SMART 1's two part mission will test new technologies and explore darker regions of the Moon's south pole for the first time.
SOFIA is an airborne observatory that will complement the Hubble, Spitzer, Herschel and Webb space telescopes, as well as Earth-based telescopes.
SOHO, designed to study the sun, from its deep core to its outer corona, is a cooperative program between ESA and NASA.
The Solar Dynamics Observatory began its mission on Feb. 11, 2010, in an effort to help us understand the sun's influence on Earth.
A NASA-sponsored satellite mission that will provide state-of-the-art measurements of incoming x-ray, ultraviolet, visible, near-infrared, and total solar radiation.
STEREO continues its mission to capture 3D images of the sun.
Small satellite missions provide NASA with valuable opportunities to test emerging technologies and economical commercial off-the-shelf components, which may be useful in future space missions.
NASA's Spitzer Space Telescope, studying the universe in infared.
Exploring Comet Tempel 1
A mission that was designed to study the chemical composition of interstellar gas clouds.
The Suzaku mission is a joint effort of JAXA and NASA designed to discover more about the x-ray universe.
The Swift mission seeks to tell us more about gamma-ray bursts, the most powerful explosions in the universe.
TacSat-2 features 11 onboard experiments, which will be conducted during the spacecraft’s planned six to 12-month mission.
Terra is a multi-national, multi-disciplinary partnership between the U.S., Canada and Japan that is an important part of helping us better understand and protect our home planet.
The 2-year mission of Time History of Events and Macroscale Interactions During Substorms (THEMIS) is to track these violent, colorful eruptions near the North Pole.
The TIMED mission is studying the influences of the Sun and humans on the least explored region of Earth's atmosphere.
This system of satellites and ground stations makes up a portion of the Space Network and provides mission services for near Earth satellites and orbiting vehicles.
The TC4 study will tackle challenging questions about Earth's ozone layer and climate using coordinated observations from satellites and high-flying NASA airplanes.
TRMM is a joint mission between NASA and the Japan Aerospace Exploration Agency designed to monitor and study tropical rainfall.
Voyager 1 and Voyager 2 journey to study the region in space where the Sun's influence ends and the dark recesses of interstellar space begin.
WISE will study the solar system, Milky Way and universe. Among the objects WISE will study are asteroids, the coolest and dimmest stars and the most luminous galaxies.
A mission to take the first full sky picture of the early Universe.
A mission to investigate the solar wind and its impact on the near-Earth environment.
The Mirror Modules on this x-ray observatory allow XMM-Newton to detect millions of sources, far more than any previous X-ray mission.