Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

THE world’s oldest-known crater from an asteroid smash 3.5 billion years ago has been discovered in the Australian outback.

The buried crater, over 90 miles in diameter, was created when a massive asteroid struck the planet 66 million years ago and brought a calamitous end to the reign of dinosaurs. Though dinosaur ...

Researchers uncover the oldest asteroid crater in Australia, revealing its role in shaping Earth’s ancient climate.

The discovery of a 3.47-billion-year-old crater in WA's Pilbara region pushes back the age of the earliest-known impact site on Earth by more than one billion years.

"It would be near the diameter of the impact that resulted in the extinction of the dinosaurs, Chicxulub crater, which is the second-largest impact structure on Earth," he said. "So, it is likely ...

Torres: 3.1 percent is not high but it is the highest risk level of a space rock crashing into us, ever. Except for the one ...

He said: "It would be near the diameter of the impact that resulted in the extinction of the dinosaurs, Chicxulub crater, which is the second-largest impact structure on Earth. "So, it is likely ...

One of the most famous of these 200 or so impact craters is the 200 km-diameter Chicxulub impact crater in the Yucatan ...