Water leaves its mark on the land, cutting channels and canyons where rivers flowed and leaving depressions where lakes once…
Apollo 17 mission commander Eugene A. Cernan makes a short checkout of the Lunar Roving Vehicle during the early part…
Like dust bunnies that lurk in corners and under beds, surprisingly complex loops and blobs of cosmic dust lie hidden…
This artist's concept illustrates one possible answer to the puzzle of the "giant galactic blobs." These blobs (red), first identified…
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…
Nine days before it entered orbit, NASA's Cassini spacecraft captured this exquisite natural color view of Saturn's rings. The images…