Grace Elementary science students got a prehistoric surprise when visiting paleontologists shared their experiences and ...

A new dome-headed dinosaur speices found in Montana, Brontotholus harmoni, reveals unexpected clues about their evolution.

NEW YORK (AP) — Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet (7 meters) long and hailed from a ...

NEW YORK — Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet long and hailed from a mysterious ...

A newly described dinosaur that appears to have persisted beyond a catastrophic die-off is forcing scientists to rethink how mass extinctions actually play out on the ground. Instead of a clean break ...

Huayracursor jaguensis lived during the Late Triassic period. Paleontologists may have discovered when plant-eating dinosaurs evolved their long necks after a new species of sauropodomorph was found ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs. Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...