OK, dinosaur fans. Experts have just uncovered the remains of a gigantic dinosaur in Argentina, and believe it could be one of the largest creatures to have ever walked the Earth. The Mezozoic era was ...

With distinctive two-fingered claws, the remains of a previously unknown species of dinosaur suggest ... than the underlying bones. It is the largest claw of its kind found fully preserved in ...

They uncovered the largest dinosaur bone found in the northeastern United States: a three-foot-long, 90-pound section of an Astrodon’s thigh. Carrano is not anticipating many more spectacular finds.

Fossils of alvarezsaurid dinosaurs show bird-like air sacs in their bones. Scans revealed hollow spaces connected to their ...

A dinosaur fossil discovered in Mongolia boasts the largest ever complete claw, but the herbivorous species only used it to grasp vegetation ...