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NASA Science Missions

Past
Equator-S Mission Image

EQUATOR-S was a low-cost mission designed to study the Earth's equatorial magnetosphere out to... View Mission

Past
ERBS

NASA's Earth Radiation Budget Satellite (ERBS) was designed to investigate how energy from the... View Mission

Past
ESSA Mission Image

The ESSA Program The Environmental Science Services Administration (ESSA) Satellite Program was... View Mission

Future
Euclid

Euclid is an ESA-led Medium-class mission, part of ESA’s Cosmic Vision program, to map the... View Mission

Future

Europa might be the best place to look for environments where life could exist in the present... View Mission

Past
EUVE Mission Image

The Extreme-Ultraviolet Explorer (EUVE) was a spinning spacecraft designed to rotate about the... View Mission

Future
Illustration of a spacecraft with a yellow and green image of the sun in the background; the text reads EUVST: extreme ultraviolet high-throughput spectroscopic telescope

Extreme Ultraviolet High-Throughput Spectroscopic Telescope Epsilon Mission will expand how NASA... View Mission

Operating

NASA will not be moving forward with the planned 2016 and 2018 ExoMars missions that we had been... View Mission

Future
Artist concept of spacecraft scanning the green surface of the sun; text reads EZIE: Electrojet Zeeman Imaging Explorer

The Electrojet Zeeman Imaging Explorer will explore the Sun and the system that drives space... View Mission

Past

Fast Auroral Snapshot Explorer (FAST) is the second of the Small-Class Explorer (SMEX) missions... View Mission

Operating
Image of the earth in the center of a square with text going around the edge that reads Flow Boiling and Condensation Experiment

FBCE aims to develop an integrated two-phase flow boiling/condensation facility for the... View Mission

Operating

Launched in June 2008, Fermi, NASA's largest gamma-ray observatory, has opened a wide window on... View Mission

Future
Square image with a bright pink lines similar to a snowflake patter and the title FLARE above

To develop a methodology to correlate material flammability limits in normal gravity and... View Mission

Past
FUSE Mission Image

The Far Ultraviolet Spectroscopic Explorer FUSE was a NASA supported mission that launched June... View Mission

Past
GALEX Mission Image

The Galaxy Evolution Explorer (GALEX) was an orbiting space... View Mission

Past
illustration of galileo spacecraft

The Galileo mission consists of two spacecraft: an orbiter and an atmospheric probe. Launched... View Mission

Operating
GEDI Mission

The Global Ecosystem Dynamics Investigation (GEDI) produces the first high resolution laser... View Mission

Past
GEMS Mission Image

The Gravity and Extreme Magnetism Small Explorer (GEMS) did not pass its confirmation review in... View Mission

Past
Genesis Mission Image

The primary objective of the Genesis mission was to collect samples of solar wind particles and... View Mission

Future
GeoCarb Mission

The Geostationary Carbon Cycle Observatory, a first-of-its-kind space Earth science mission,... View Mission

Past
Geosat

The U.S. Navy GEOdetic SATellite, GEOSAT, was launched on 12 March 1985, into an 800-km, 108-... View Mission

Operating

The GEOTAIL mission is a collaborative project undertaken by the Institute of Space and... View Mission

Future
GLIMR Geostationary Littoral Imaging and Monitoring Radiometer

GLIMR is a space-based instrument that will help scientists observe and monitor ocean biology,... View Mission

Operating

The launch of the prototype Synchronous Meteorological Satellite, SMS-A, in May 1974 inaugurated... View Mission

Operating
GOES-R

The Geostationary Operational Environmental Satellite-R Series (GOES-R) is the next generation... View Mission

Operating
illustration of Gold spacecraft with gold light in background

The Global-scale Observations of the Limb and Disk (GOLD) mission of opportunity will fly an... View Mission

Operating

Global Precipitation Measurement (GPM) is an international satellite mission to provide next-... View Mission

Past
GRACE

The primary goal of the GRACE mission is to accurately map... View Mission

Operating

The Gravity Recovery and Climate Experiment Follow-on (GRACE-FO) mission will allow scientists... View Mission

Past
GRAIL Mission Image

The Gravity Recovery and Interior Laboratory (GRAIL) mission was competitively selected through... View Mission

Past
Gravity Probe B

NASA’s Marshall Space Flight Center and Stanford University developed a sophisticated... View Mission

Past
GRIP Mission Image

The Genesis and Rapid Intensification Processes (GRIP) experiment was a NASA Earth science field... View Mission