Dinosaur life wasn't all peaches and cream before the Chicxulub asteroid struck Earth. Some were plagued by much smaller dangers long before. A new study has found evidence that a potentially deadly ...

Fossils from New Mexico change how we look at dinosaur history.

WASHINGTON — Scientists have revealed fossils of a giant salamander-like beast with sharp fangs that ruled waters before the first dinosaurs arrived. The predator, which was larger than a person, ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...