Back in the 1970s, biologists were amazed to discover a form of life they never expected. Tiny microorganisms with ancient DNA were living in the hot springs of Yellowstone National Park ...
NASA Plans to Visit a Near-Earth Asteroid
In a few years a NASA spacecraft will seek the building blocks of life in a shovelful of asteroid dirt. The OSIRIS-REx spacecraft is targeted for launch in September 2016.
Spaceships, Meteors and Moonlight
Bright moonlight streams through your window. A nugget of space debris disintegrates in a sparkling fireball. A huge spaceship glides silently overhead. Any one of these events might be enough to get you out of bed, but all three are going to happen.