A map showing seismic speed in Earth’s crust at 125 miles (201 km) depth across the continental U.S. and portions of Central ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, into the Earth's mantle below. This is the conclusion of researchers from ...

To be fair, I often forget where things are, but I think North America has been in the same place for quite a long time, as have we on this side of the Atlantic, so there is no excuse. It is fine ...

Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in ...

MICHAEL BECKLEY is Associate Professor of Political Science at Tufts University, a Nonresident Senior Fellow at the American ...

The researchers then compared these maps ... MTZ and continental intraplate volcanism could provide an explanation for minor volcanic activity across eastern Asia, western North America, and ...

While most of the scientific community still scoffed at the theory of continental drift, he provided some ... the frontier of paleontology shifted to North America, as pristine fossil beds opened ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

During that process, as more and more continental collisions crumpled eastern North America and thrust its agglomerated slivers into the sky, the Appalachian Mountains were born. To the west ...