CNN | Science & Space
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Tourist reaches space station
Space tourist Richard Garriott has arrived at the International Space Station for a 10-day stay for which he paid the Russian government an estimated $30 million.
Mercury, up close: New photos unveiled
An U.S. spacecraft was scheduled to beam hundreds of photos of Mercury back to Earth on Tuesday after a close encounter with the planet closest to the sun.
Asteroid to be harmless fireball
A meteor, or shooting star, is usually the size of a pebble, or even a grain of sand, burning up in the atmosphere.
NASA at 50: Lost in space?
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Phoenix lander spots falling snow on Mars
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