The Huronian Ice Age, occurring 2.5 billion years ago, was Earth's first major ice age. In this video, we dive into what the ...

Even more striking? If these patterns hold true, the next ice age could arrive within 11,000 years. For decades, scientists have suspected that Earth’s changing orbit plays a crucial role in ...

During an ice age, the polar regions are cold ... Between 36 and 20 million years ago the earth experienced the first of three major cooling steps. At this time a continental-scale temperate ...

Ice Age climate shifts triggered major population changes in prehistoric Europe through migration and adaptation.

"During the great freezing," says Schrag, "carbon dioxide levels in the atmosphere dropped, the earth's temperature fell to around 58 degrees below zero, and the ice covered everything — ocean ...

What sparked the formation of Earth’s vast ice sheets during the last ice age—and how did they spread so fast? New research may finally offer answers. A team at the University of Arizona has ...

Though the Big Dig was the largest exploration of ice age fossils in the valley, it wasn’t the first. Richard Shutler ... Eventually, the lake dried up from earth faulting and “a trend ...