The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...
Two canyons that splay out from a vast asteroid crater on the moon may have been quickly formed by chains of impacts that ...
The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...
Astronomers mistook a car SpaceX blasted into space years ago as an asteroid. The brief mix-up highlights the sometimes ...
The object that struck the moon is estimated to have been about 15 miles (25 km) in diameter, larger than the asteroid that struck Earth 66 million years ago and doomed the dinosaurs. "When the ...