New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

This discovery is promising for scientists and NASA, which plans to land astronauts at the south pole on the near side of the ...

STORY: Scientists are monitoring an asteroid that has a chance - albeit small - of hitting Earth.But there’s no need to panic ...

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power of the Colorado River. Close to the ...