Did you ever picture a saber-toothed “tiger” stalking prehistoric forests, its long fangs gleaming in the sun? Here’s a fun ...

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.

When a sabertooth tiger called out, what noise did it make -- a mighty roar or a throaty purr? A new study examined the data behind the arguments for each vocalization and found that the answer ...