“The Naashoibito dinosaurs lived at the same time as the famous Hell Creek species in Montana and the Dakotas,” said Daniel ...

A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...

A groundbreaking study has revealed that dinosaurs in New Mexico were thriving right up until the asteroid impact that led to ...

Fossil evidence from New Mexico shows dinosaurs were still strong, diverse, and thriving before their sudden extinction 66 ...

Of all the mysteries surrounding dinosaurs, none has sparked more debate than how their era ended—was it a gradual decline or ...

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

New evidence has emerged that dinosaurs in North America were thriving, and not in decline, before the asteroid hit.

New research on fossils in New Mexico reveals that dinosaurs, including the massive Alamosaurus, were thriving just 340,000 ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...

A fresh analysis of a site in New Mexico provides a glimpse into the final days of the dinosaurs, showing their diversity before going extinct.

The end-Cretaceous extinction created space in the ecosystem for birds, but also for mammals. Mammals first evolved from ancestors called therapsids during the late Triassic Period. These were tiny ...

A man has made an unusual discovery in Denmark: a lump of fossilized animal vomit that is thought to be around 66 million years old. These types of fossils are known technically as regurgitalites.