As you read this, the North American continent’s underside is dribbling away into Earth’s molten mantle. And according to ...

Since its founding on August 25, 1916, the U.S. National Park Service has assembled 419 protected units, of which 62 hold the ...

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

A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North ...