An artist's illustration of asteroids flying by Earth.Peter Carril/ESA <ul> <li>An asteroid has been trailing Earth around the sun since 100 BC, astronomers estimate.</li> <li>The space rock at firs… [+2367 chars]
When its all done, the full stack of the Space Shuttle launch system will stand 200 feet (61 meters) tall, becoming the
TOKYO As China's economy continues to grow at a slower pace than in recent decades, Chinese businesses and households ar
When Meiklejohn started college at Brown in 2004, she discovered cryptography. This branch of computer science appealed
