A famously unlucky date is getting a cosmic twist. NASA says the asteroid Apophis will safely pass close to Earth on Friday, April 13, 2029, coming about 20,000 miles from the planet's surface. That ...

This occurrence will be the closest approach to Earth by an asteroid of this size that scientists have known about in advance ...

University of Maryland students are racing to build a spacecraft to study an asteroid that will pass closer to Earth in 2029.

A rare asteroid will soon be visible to the naked eye in a rare celestial event, according to astronomers. Asteroid 99942 Apophis named after the Egyptian deity of chaos, darkness and fire is expected ...

The asteroid has a mean diameter of 1,115 feet and was first discovered on June 19, 2004.