The two canyons, called Vallis Schrödinger and Vallis Planck, are located on the far side of the moon, so they can only be seen from orbit—not from Earth. Each canyon is over 165 miles long and ...

A canyon is a deep, narrow valley with steep sides. Here on Earth, canyons are typically formed by long-term erosion from rivers or tectonic activity. But on the moon, where there’s no ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object slammed into the moon 3.8 billion years ago.

The space canyon is longer and deeper than the Grand Canyon. — -- Check out this space canyon! NASA's New Horizons sent back an image showing a "Super Grand Canyon" on Pluto's largest moon ...

Two canyons near the south pole of the moon rival the Grand Canyon, both in depth and length. Unlike the sinuous chasm in Arizona, the two lunar canyons, known as Vallis Schrödinger and Vallis ...

The Grand Canyon on Earth might feel a little inadequate if it ever learns about Argo Chasma on Pluto's moon Charon. Charon is home to a canyon 185 miles (300 kilometers) long and up to 5.5 miles ...

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks traveling as fast as bullets, a new study finds.

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object slammed into the moon 3.8 billion years ago.