A colossal impact billions of years ago carved out the canyons that rival the most breathtaking features here on Earth in a ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

That's good news for NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side later this ...

Two canyons that splay out from a vast asteroid crater on the moon may have been quickly formed by chains of impacts that ...

An Arizona lawmaker is urging the Trump administration to reconsider federal land protections near the Grand Canyon to allow for mining.

Researches have determined that ejecta from an ancient asteroid. strike carved out the grand canyons (Vallis Schrödinger and ...

About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.