The footprints were made 167 million years ago, during the Middle Jurassic period, an important time in dinosaur evolution, but little rock remains from the era, Blakesley said. As a result ...

While most of its relatives had three claws, this plant-eating dinosaur evolved to walk the Earth with only two. With its 30-centimeter-long claws and hulking frame, this species looked like ...

(CNN) — Tyrannosaurus rex ancestors and their plant-eating dinosaur prey would have congregated to drink water from a lagoon in what is now Scotland, new research suggests. Lead study author ...