Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly ...

For years, scientists thought Antarctica was the main source of meltwater that flooded the planet's oceans after the last ice age. But new research has flipped that story, and it has major ...

I first became interested in the Pueblo peoples of the U.S. Southwest in the late 1980s, during a visit to Santa Fe, New ...

Approximately nine centuries ago, Indigenous Americans demonstrated remarkable engineering and logistical capabilities by transporting a colossal 5-ton tree over a distance of more than 100 miles.

The first people to enter the Americas may have sailed from Japan around 20,000 years ago, according to a new analysis of ...

Tucked away in the northwest corner of Kansas is a place where time stands still, a thriving ode to small-town America.

New research in a North American “mummy zone” in eastern Wyoming reveals how giant duck-billed dinosaurs were preserved in ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...

It's the American way to be dramatic, but things got out of hand between Trent Reznor and Limp Bizkit when they started writing diss tracks about each other.

Do you believe that life exists on other planets? Well, here's an even more mysterious idea: Have you ever considered that ...