It's not unusual to have small asteroids pass closer to the Earth than the moon's distance of 240,000 miles. Matter of fact, the house-sized 2011 UX255 buzzed only 96,000 miles from our planet last ...

Tonight's the night. Those with telescopes and clear skies have the chance to watch a very speedy asteroid cross a large swath of the southern sky during evening hours across much of the western ...

BAY CITY — An asteroid 1,300 feet in diameter is scheduled to make a close pass of Earth on Nov. 8, but won't provide much of a show for those outside the science community, a Delta College astronomer ...

One of the world’s largest optical/infrared telescopes has captured near-infrared light images of asteroid YU55 as it was departing its close flyby of Earth the night of Nov. 8, 2011. The observing ...

An asteroid about 1,300 feet across will pass within 220,000 miles of the Earth's surface late this afternoon. It will be slightly nearer to us than the moon - the closest pass of an asteroid that ...

Astronomers have known for several years that Nov. 8, 2011, would end one of two ways: either uneventfully or with a massive global cataclysm that would leave a 4-mile (6.5 km) crater somewhere on the ...

NASA blasted the asteroid with microwaves from a radio telescope near Barstow, using the 230-foot-wide aluminum dish to receive signals bouncing off the asteroid. That data revealed its ridges, ...

CAPE CANAVERAL, Fla. -- An asteroid bigger than an aircraft carrier will dart between the Earth and moon on Tuesday - the closest encounter by such a huge rock in 35 years. But scientists say not to ...

About four football fields across, the asteroid YU55 might not be big enough to eliminate civilization, but if it struck Earth it could leave a crater six miles wide, which could turn in to a bubbling ...

A building-sized asteroid will zoom by Earth Saturday, while another asteroid twice its size will make an even closer approach Monday, with NASA keeping an eye on the second asteroid due to its size ...