The massive reptile may have weighed more than 4.5 tons and been 35 feet long—much bigger than its related peers at the time ...
A tooth fragment found in the skull of a fossilized dinosaur sheds light on the Tyrannosaurus rex’s feeding habits.
Recent discoveries highlight a giant dinosaur species in Brazil, challenge bonobos' peaceful image, connect a New Mexico fossil to T. rex lineage, and reveal that Romans employed human excrement in ...