Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

Tributes have been paid to an islander who discovered evidence of dinosaur footprints in the Isle of Skye as a schoolboy.

By working with the two mummies, the researchers were also able to determine that Edmontosaurus could likely grow over 40 ...

A new dome-headed dinosaur species was discovered in Montana, a study released this month shows. Researchers discovered the ...

For more than three decades, paleontologists have argued over whether a lithe predatory dinosaur called Nanotyrannus ever ...

A new study by a North Carolina paleontologist in Raleigh is being called "the biggest dinosaur discovery of the decade." ...

Paleontologists in North Carolina say they have evidence that a tyrannosaur species coexisted with T. rex, a speedy and agile ...

A new species of dome-headed dinosaur has been discovered in fossils found in Montana, according to researchers. The dinosaur ...

Wyoming’s “dinosaur mummies,” once thought to preserve fossilized flesh, are actually detailed clay molds formed by microbes ...