Initially believed to be a cold, arid grassland, the stretch more resembled the modern-day Yukon-Kuskokwim floodplain.

Deep in Alaska’s Katmai National Park, a perfectly round, 1,600-foot-wide crater has puzzled scientists for decades. Known as ...

Poking holes in the sea floor that used to be part of the Bering Land Bridge, researchers have found that large swaths of it ...

Climate change is accelerating the melting of the world’s mountain glaciers, according to a massive new study that found them shrinking more than twice as fast as in the early 2000s. The world’s ...

Climate change is accelerating the melting of the world’s mountain glaciers, according to a massive new study that found them shrinking more than twice as fast as in the early 2000s. The world’s ...

An international team of researchers has made a worrying discovery: our planet's glaciers are melting at even more alarming ...

The New Mexico earthquake struck hours after a 4.8-magnitude earthquake was reported in Portugal on Monday (February 17), according to the United States Geological Survey. The ear ...

Rancher Matt Hedges says a 4.3 magnitude earthquake on Feb. 11, caused by nearby fracking operations, has agitated his family ...