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NASA Mars Orbiter Spots Caves on Red PlanetNASA Mars Orbiter...
How Earth's 'Extremophiles' Could Aid Alien Life Search
What would life found in water dating back to more than a billion years ago look like? Scientists are hoping to find out.
The First Men on the Moon: The Apollo 11 Lunar Landing
Watch, listen, and relive the excitement of the Apollo 11 lunar landing as experienced minute-by-minute by the courageous crew of Apollo 11 and Mission Control.
Bright explosion on moon visible from Earth, NASA says
A meteoroid struck the surface of the moon recently, causing an explosion that was visible on Earth without the aid of a telescope, NASA reported Friday.