Earth
Advancing scientific understanding through the use of global satellite measurements to improve human understanding of our home planet.
Heliophysics
The exploration of the Sun, its effects on Earth and the planets of the solar system, and space environmental conditions and their evolution.
Planets
Advancing scientific knowledge of the origin and history of the solar system, the potential of life elsewhere, and the hazards and resources present as humans explore space.
Astrophysics
Discovering the origin, structure, evolution and destiny of the Universe, and searching for Earth-like planets.
Image of the Day
STS-126 astronaut Steve Bowen and Heidemarie Stefanyshyn-Piper (out of frame) worked to clean and...
Spotlight Mission
The Kepler Mission is a space mission specifically designed to detect Earth-size planets around...
