When the planet was heating up at the end of the last Ice Age, ice-melt flooded out by glaciers made oceans rise. Scientists for decades believed that most meltwater had originated from Antarctica.

New fossil and genetic evidence shows that woolly and Columbian mammoths were not just distant cousins roaming separate parts of Ice Age North America — they were interbreeding for tens of thousands ...

Did mammoths, sabre-tooth tigers and other Ice Age megafauna face a similar, impact-induced fate to the dinosaurs? That’s ...

A new analysis of stone tools offers strong evidence for the theory that ancient people from the Pacific Rim traveled a coastal route from East Asia during the last ice age to become North America's ...