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

Shutterstock A Grand Canyon in Upstate New York In Upstate New York, you’ll find a natural wonder that matches the beauty of ...

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

On the Reddit thread r/arizona, users share things about the Grand Canyon state that they find underrated, from food and ...

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

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

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