Discover the Grand Canyon: a vast, colorful, and layered natural wonder in northern Arizona. Explore its history, geography, ...

Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 ...

That’s exactly what happens at Wahweap Overlook near Page, Arizona. Mother Nature showing off again! The dramatic contrast between Lake Powell’s azure waters and the rusty red cliffs creates a ...

Roughly 37 miles east of Flagstaff, Meteor Crater—formally known as Barringer Crater—was formed approximately 50,000 years ago by a 150-foot-wide iron meteorite. As one of the best-preserved impact ...

Florida wants you to kill as many of the invasive Burmese pythons as you can during the 10-days contest in July. But you can't shoot them.

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

How does it take for an animal to make its mark in history particularly when its bones are as delicate as a potato chip? Eotephradactylus mcintireae’s answer is a mix of volcanic ash, river ...