About 2 billion years ago, an impactor hurtled toward Earth, crashing into the planet in an area near present-day Johannesburg, South Africa. The impactor—most likely an asteroid—formed what is today ...

Ancient impacts played a powerful role in Earth’s complex history. On other Solar System bodies like the moon or Mercury, the impact history is preserved on their surfaces because there’s nothing to ...

Add Yahoo as a preferred source to see more of our stories on Google. The red dirt of the Australian outback seen from above, with scattered scrubs casting long shadows In recent research published by ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's depiction of an asteroid hitting Earth. In recent research published by myself and my colleague Tony Yeates in the ...

The largest asteroid ever to hit Earth, which slammed into the planet around 2 billion years ago, may have been even more massive than scientists previously thought. Based on the size of the Vredefort ...

The impactor that formed the Vredefort crater, Earth’s largest, about two billion years ago, was probably much bigger than previously believed—and would have had devastating consequences, a new study ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s a big week for asteroids, and not just because NASA’s ...

About two billion years ago, an impactor hurtled toward Earth, crashing into the planet in an area near present-day Johannesburg, South Africa. The impactor—most likely an asteroid—formed what is ...

The destructive space rock was somewhere between 12.4 and 15.5 miles wide. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The largest asteroid ...

Researchers developed a more accurate simulation of the impact that formed Earth's largest crater -- Vredefort crater -- nearly two billion years ago. They found the impactor (most likely an asteroid) ...