A conversation with Greg Grandin about his groundbreaking new book America, América: A New History of the New World.

Warm air rises, but it also expands because air pressure decreases with height. The latter effect wins out and air becomes ...

In the Triassic era, North America was part of Pangea, a supercontinent whose massive scale sparked extreme monsoons that ...

As we all know, "American Idol" has its contestants put their own spin on covers of famous songs. But this week, the standout auditions were arrangements we'd never heard before. The lack of a ...

Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian ...

Bill Stampfl vanished climbing Peru's highest mountain 22 years ago. This is the story of the hiker who found him and brought ...

Once early settlers navigated the rough Appalachian Mountains, they found vast stretches of undeveloped ... and livestock before thinking about growing crops. That’s today’s American Agriculture ...

The U.S. Forest Service said the decision to allow oil and gas leasing to continue in Elko County’s Ruby Mountains was brought on by a presidential executive order titled “Unleashing American Energy,” ...

In the action drama penned by Bustamante, Luis Pineda and Margarita Kénefic, two volcanologists, played by “Ixcanul’s” Maria Mercedes Coroy and Tatiana Palomo, visit indigenous communities to warn and ...

Orientale is all about observing at the edge — literally. We’re peering over the raised rim of the Cordillera mountains to view a narrow, snaking form of lava named Lacus Autumni. Use the ...