Astronaut Dave Williams participated in the STS-118 mission's fourth and final session spacewalk, as construction and maintenance continued on the…
Space Shuttle Discovery and its crew of seven astronauts lift off from NASA's Kennedy Space Center, beginning the STS-116 mission…
The New Horizons Long Range Reconnaissance Imager (LORRI) took this 2-millisecond exposure of Jupiter at 04:41:04 UTC on Jan. 24,…
As seen through windows on the aft flight deck of Space Shuttle Discovery, the payload bay is featured in this…
On February 19, 2000, Space Shuttle Endeavour passed over the highly active and dangerous volcanic zone of the Andes in…
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…