The circular asteroid, named 2005 YU55, is about 1,300 feet (400 meters) wide and will come closer t...

A team of amateur astronomers has spotted an asteroid coming close enough to Earth to pose an "impac...

WISE new observations indicate that there are at least 40 percent fewer near-Earth asteroids in tota...

After providing a close look at the Solar System’s most ancient asteroid, NASA spacecraft Dawn is no...

The asteroid named ‘2010 TK7’ was confirmed as an Earth Trojan after follow-up observations with the...

The spacecraft Dawn will study the asteroid named Vesta, for a year before departing for a second de...

Asteroid 2011 MD will pass in broad daylight over the southern Atlantic Ocean near the coast of Anta...

A new spacecraft, known as Origins-Spectral Interpretation-Resource Identification-Security-Regolith...

The asteroid, named YU55, weighs 55 million tones and will pass between Earth and the Moon in Novemb...