A tooth fragment found in the skull of a fossilized dinosaur sheds light on the Tyrannosaurus rex’s feeding habits.

Australia is famous for its wildlife, and many people associate the country with some of the most dangerous animals on Earth.

D analysis of bite marks on a tyrannosaur foot bone shows that smaller tyrannosaurs scavenged carcasses, likely consuming the final remains after most flesh was gone. Tyrannosaurs are usually imagined ...

As warmer weather arrives, these are the dangerous snakes, spiders, and ticks found in Delaware.

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

The oceans of the Cretaceous of North America teemed with life. Gigantic fish and enormous marine reptiles hunted the Western ...