The whimsical “Diner-Saur Park” sign above the entrance hints at the playful atmosphere waiting inside and out. Once inside, you’ll be surrounded by walls covered in 1950s memorabilia that will have ...

No predator today can catch the American pronghorn, yet it runs as if something still chases it. Scientists trace this ...

Forget the gentle image of dinosaurs grazing in peace, prehistoric America was a nightmare realm of violence and survival. Ancient lakes hid colossal predators, while massive land mammals clashed in ...

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 ...

EDITOR’S NOTE: One remarkable component of the Greater Yellowstone Ecosystem is its complete suite of wild North American ...

A fossilized tooth unearthed in Brazil reveals a fearsome apex predator that once ruled prehistoric swamplands—an ancient ...

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

Until now, researchers had only uncovered a few tantalizing hints that humans had reached the American continent by this time ...

Researchers reveal that a 66-million-year-old “dinosaur mummy” wasn’t preserved skin but a thin clay film that perfectly ...

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

Analysis of a massive wooden monument has uncovered new secrets of Cahokia, America’s greatest lost civilization.