Nasa's Near-Earth Object Studies Center has been closely observing Asteroid Apophis for nearly two decades. Scientists ...

An asteroid named for the ancient Egyptian god of darkness and disorder may not pose a hazard to Earth, but that does not ...

For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is ...

An asteroid hit Earth hours after it was detected, evading NASA's early warning system, in the third close call of its kind ...

Potentially dangerous comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, ...