By cutting into a tiny throat bone, Princeton's Chris Griffin showed that it belonged to an adult of a smaller tyrannosauroid ...

A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.

This time, people are imagining what aliens would reconstruct if they came across the skulls of some of the most loved residents on our planet, like cats, dogs, and wild cutie pies. Scroll down to see ...