Sleeping is easy until it can literally kill you. Somehow, early humans pulled off the impossible and made it through Ice Age ...

If you've seen any of the "Ice Age" animated Disney movies, we have some bad news: You don't know the real ice age. It was an incredible time when the Earth was going through immense systemic changes ...

New research from multiple ice cores collected across Greenland with data spanning up to 120,000 years provides new understanding of abrupt Dansgaard-Oeschger events, how they unfold and what that ...

The Earth’s climate is a dynamic entity, continuously evolving over billions of years with alternating periods of extreme heat and cold. Recent scientific studies indicate that the Earth is subtly ...

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 ...

Jared Wildenradt is likely the most prolific hiker of the Ice Age National Scenic Trail ever, and he doesn't plan to stop anytime soon. Lisa Siewert teaches geology and geography at the University of ...