Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

Over the three-day storm, L.A. County's burn areas are expected to receive several inches of rain. How fast the rain falls ...

In the Arizona desert, researchers are learning so much more about the peoples who have inhabited this land since antiquity ...

Wayne Martin Belger set out to make indelible photos of a mystical site on the Navajo Nation. First he needed to relearn how to walk ...

When hills are healthy, vegetation anchors soil in place. But when that vegetation is burned off, hillsides become vulnerable ...

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.

WASHINGTON (Reuters) - 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 moon's south ...

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

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

one of the biggest and most famous cases of erosion can be found at the Grand Canyon. Watch the video above for a look at the full explanation. Submit photos or videos of your students ...

The term ethical erosion is used to describe the “gradual decline in values, beliefs, and truths.” I first encountered this term in medical school to describe the loss of empathy and caring as ...