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

Ryan Crow of the U.S. Geological Survey (USGS) gave a talk to a packed crowd at the Museum of Northern Arizona Jan. 12 ...

Both giving a visible indication of how old they are. Liz Bonnin introduces the Grand Canyon with its complex and very ancient geology. The Grand Canyon was carved out of rock by the Colorado ...

Plan a winter trip to the Grand Canyon with our winter guide to the Grand Canyon. Don't let a little snow keep you from ...

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

This geologic map provides a detailed look at the area around the Grand Canyon. Lines represent geologic faults and folds. At their core, maps facilitate understanding and exploration. With maps ...

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

The Grand Canyon is the biggest canyon on earth ... In 1869, a one-armed Civil War veteran and geology professor named John Wesley Powell led an expedition to chart the wild Colorado and make ...

Current projects include study of the surface uplift history of the Colorado Rockies, the incision history of the Grand Canyon, and deciphering when and why Australia’s Great Escarpment formed. I love ...

It is celebrated for its unique geologic features, with the Aztec sandstone outcrops, which are from the Jurassic period, being the most recognizable. Although the Grand Canyon is also home to ...

A team of scientists at the Lunar and Planetary Institute (LPI), an institute of the Universities Space Research Association ...