New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ...

Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America.

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

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

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

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

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

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 of the dinosaurs was clearly linked to an asteroid impact that brought the Cretaceous period to a close. But the ...

(CNN) — It’s a long-standing debate in paleontology: Were dinosaurs thriving when an asteroid hit Earth one fateful spring day 66 million years ago, or were they already on their way out, and the ...

When the asteroid hit, most dinosaurs were finished, but a few small, feathered theropods slipped through the chaos. Their size meant less food was needed, and their varied diets kept them going.

Some of their dinosaur-like traits are their bone structure, strong leg muscles for bipedal walking, sharp claws, and the ability to defend themselves by kicking. The Triassic-Jurassic Extinction ...