In the animated movie “Ice Age,” there was a scary, saber-tooth tiger named Diego — which had real-life counterparts that lived in Iowa some 13,000 years ago during the real Ice Age. Researchers at ...

Saber-toothed cats and dire wolves, two predators that roamed the Earth during the last Ice Age, may have had a high rate of a developmental bone disease, according to a new study of their remains.

What do penguins, Arctic foxes, and mammoths have in common? They are all masters of adapting to extreme cold. But how exactly did some animals withstand the icy temperatures of the Ice Age? Why did ...