PHAs are defined as those whose closest approach to Earth is 0.05% of the average distance between our planet and the Sun. That may sound perilously close, but that’s still a distance of about 4 ...

Four "potentially hazardous" space rocks, which are between 100 and 580 feet across, will all make their closest approaches ...

A massive "potentially hazardous asteroid" is expected to fly past Earth this week. The asteroid, called 2008 OS7, is primed to zoom past Earth on Friday, Knewz.com has learned. Measuring between ...

The chance that a football field-sized asteroid capable of destroying a city will strike Earth in 2032 has fallen to 0.001%, the European Space Agency said on Tuesday.

The likelihood of the 2024 YR4 asteroid hitting Earth is now 0.001 percent, according to the European Space Agency, down from 3.1 percent as forecast by NASA last week. Scientists will continue to ...

The near-Earth asteroid 2005 YY128 will zoom within 2.8 million miles (4.5 million km) ... So 0.05 AU is roughly 4.6 million miles, or 7.4 million km.) Get the Space.com Newsletter.

The airplane-sized asteroid will be within 2.5 million miles of Earth and the others will pass within 3.5 million miles of the Earth. Skip Navigation Share on Facebook ...

The chance that a football field-sized asteroid capable of destroying a city will strike Earth in 2032 has fallen to 0.001 percent, the European Space Agency said on Tuesday.

An asteroid that one day could impact Earth will be making a tight flyby in 2029 -- close enough that people can see it with their own eyes and no telescopic gear. We will rock you.

The asteroid's path will be drastically altered by Earth's gravity once it zips by. Instead of circling the sun every 359 days, it will move into an oval orbit lasting 425 days, according to NASA ...