While it is not quite as big as a Tyrannosaurus rex skeleton, fossilized poop can help paleontologists recreate lost worlds. It can tell scientists what extinct animals like dinosaurs ate, but more ...

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...

Cara Tabachnick is a news editor at CBSNews.com. Cara began her career on the crime beat at Newsday. She has written for Marie Claire, The Washington Post and The Wall Street Journal. She reports on ...