A giant dinosaur walked in a tight loop 150 million years ago. Its rare footprints reveal turning behavior, uneven steps, and ...

A series of massive dinosaur footprints in Colorado date back 150 million years, and a team of scientists has announced new ...

In a joint expedition between Japanese and Mongolian scientists, the team uncovered afossilized footprint of a titanosaur, a ...

BOURNEMOUTH, England (Reuters) - Scientists have uncovered evidence of ancient humans engaged in a deadly face-off with a giant sloth, showing for the first time how our ancestors might have tackled ...

(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 Tone ...

A giant carnivorous dinosaur likely rested or crouched down in Yorkshire 166 million years ago, deeply pressing its feet into the ground. The colossal creature left behind a record-breaking footprint ...

The six-foot-tall raptors in the Jurassic Park movies were terrifying enough, but now scientists have described a giant new raptor species whose legs alone were that tall. Raptors were a diverse group ...