Water leaves its mark on the land, cutting channels and canyons where rivers flowed and leaving depressions where lakes once…
This artist’s concept illustrates one possible answer to the puzzle of the “giant galactic blobs.” These blobs (red), first identified…
Like dust bunnies that lurk in corners and under beds, surprisingly complex loops and blobs of cosmic dust lie hidden…
Apollo 17 mission commander Eugene A. Cernan makes a short checkout of the Lunar Roving Vehicle during the early part…
NASA’s Galileo spacecraft captured this dramatic image of mountains on Jupiter’s moon Io in February 2000. The image was taken…
This 1961 prototype of an inflatable space station concept with a solar power system collector was 24 feet in diameter…
In the distance stand the east hills, which are closest to the Mars Exploration Rover Spirit in comparison to other…
Named for its resemblance to a coiling spiral seen face on, the Helix Nebula (NGC 7293) is a challenging stargazing…
Named for its resemblance to a coiling spiral seen face on, the Helix Nebula (NGC 7293) is a challenging stargazing…
In this, her second venture into space, STS-31 mission specialist Kathryn Sullivan posed for this photograph as she prepared for…