The X marks the spot of a suspected head-on collision between two asteroids imaged by the Hubble Space Telescope’s new-and-improved Wide Field Camera. If it’s confirmed by further observations, it would be the first time that scientists have detected the interplanetary collision between objects in the asteroid belt, though they believe that such occurrences are common. The complex structure of... 

For the first time, scientists were able to track an asteroid from space to the ground and recover pieces of it. The bits are unlike anything ever found on Earth. The asteroid was spotted entering Earth’s atmosphere over Sudan in October and was believed to have fully disintegrated, but an international team found almost 280 pieces of meteorite in a 11-square-mile section of Sudan’s Nubian...