According to our sister site Livescience, this week's big space rock flybys start with the asteroid 2012 DK31, which measures about 450 feet (137 meters) across — wider than a 40-story ...

So for now, it looks like we are still in the clear from getting destroyed by an asteroid — at least that we are aware of — until that whole big, asteroid potentially slamming into Earth on ...

It's actually good news that NASA spotted a sizable asteroid with a (small) chance of hitting Earth in 2032. It means our ...

Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so ...

NASA says asteroid 2024 YR4, the size of a 10-story building, now has a chance of crashing into the moon. At the start of the year, word spread that a huge “city-destroying” asteroid was ...

Planet Earth and big asteroid in the space. A 290-foot asteroid is expected to pass by Earth Saturday, coming within 3.1 million miles of the planet—about 13 times further than the moon ...

Over the next several weeks, astronomers will be looking closely at an asteroid that could be as big as a football field as they try to determine just how likely it is to strike Earth in 2032.

An enormous asteroid—big enough to leave a six-mile-wide crater and darken the world with dust if it hit Earth—will harmlessly zip by our planet on April 29. The object, called 1998 OR2 ...

A massive space rock will go hurtling past Earth in a few years, zooming by 10 times faster than a bullet. This is the first time an asteroid of its size is coming close enough that people in ...

The first near-Earth asteroid which is the smallest of the group at around 100 feet across, came within 3.4 million miles of us. The latter, a 170-foot-wide boulder, reached within 2.9 million miles.

The risk assessment has fluctuated since the asteroid’s discovery late last year, when it was rated at a 1.2% probability of hitting our planet. The impact probability is expected to keep ...