But America's West Coast is still where geologists are watching most carefully ... An area in the Pacific Northwest lies on a 'subduction' zone where a tectonic plate slides underneath the North ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust above it to "drip" and suck down rocks from across the continent.

Intense wildfires in western Canada have sent huge plumes of smoke sweeping across North America in recent days — pollution that has been captured in images by NASA satellites, aircraft and ...

The Pineapple Express is a stream of moisture in the atmosphere that delivers humid air from the tropical Pacific to the West ...

“It would mean that an Italian got knowledge of the west coast of North America or he heard about it from Arabs or Chinese,” says Benjamin B. Olshin, a historian of cartography whose ...

Roughly 1,000 years ago, the story goes, a Viking trader and adventurer named Thorfinn Karlsefni set off from the west coast of ... European baby born in North America. Thorfinn and his band ...