The alerts, updated by the U.S. State Department as of April 7, classify destinations from Level 1 ("Exercise Normal Precautions") to Level 4 ("Do Not Travel"), with warnings often tied to issues such ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...

Even the oldest and most stable of lithospheric structures can’t withstand geologic machinations deep within the Earth.

Greg Grandin’s sweeping history of the new world shows how immutably intertwined the United States is with Latin America.

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

A massive eruption of magma around 135 million years ago may have been the driving force behind the tectonic rift that split ...

President Trump unveiled sweeping tariffs that included actions on dozens of countries at very high levels.