A single excavation in 1880 unearthed the Gokstad ship and proved the Viking world was real, not just saga and legend. From Ice Age settlement and Bronze Age trade to bog iron, migration, and the ...

Koalas with the bodies of lions. Elephants the size of your dog. Gigantic, 8-foot-tall sloths. These aren’t creatures found in science fiction: They walked our planet a million years ago, during the ...

The new trailer takes viewers into the Pleistocene era, millions of years after the extinction of the dinosaurs, as it has never been seen before. It features strange cycles of hot and cold that ...