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

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

Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in ...

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

New findings indicate dinosaurs were flourishing just before the asteroid strike. Fossils from New Mexico show diverse and ...

Scientists have discovered prehistoric insects preserved in amber for the first time in South America, providing a fresh ...

A paleontologist explains the latest science about Troodon formosus, and whether it was really the smartest dinosaur.

Study warns that humans may be driving Earth toward a sixth mass extinction. The research shows species loss, but the future ...

New dating has revealed that New Mexico's last dinosaurs were healthy, diverse and thriving at the end of the Cretaceous ...

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