In 2029, asteroid Apophis will skim safely past Earth, where it will be visible to billions. For scientists, it's a once-in-a ...

According to China's space agency, the government is preparing to test a direct method of planetary defense by sending a ...

On April 13, 2029, the asteroid Apophis will pass so close to Earth that it will be visible to the naked eye for over two billion people. It will be the first time in recorded history that a ...

R ocketing by at tens of thousands of miles per hour, the asteroids visiting Earth’s neighborhood will get a closeup this week. Using radar, scientists will be scanning these space rocks as they whiz ...

Apophis was discovered in 2004, and initial orbital models indicated a 2.7% chance of it impacting Earth in 2029, triggering early panic. This small yet significant possibility rated it a level 4 on ...

A "potentially dangerous" asteroid the size of a bridge is expected to pass by Earth Monday, NASA said. The asteroid -- called 1994 XD -- has a span of 1,500 feet, comparable to that of the Brooklyn ...