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

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

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

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

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

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

New dating of New Mexico rocks suggest diverse dinosaurs thrived there just before the impact, countering the idea dinos were already on their way out.

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 ...

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 study offers the most recent data that challenges the long-held belief among paleontologists that dinosaur populations ...

For decades, many scientists believed dinosaurs were already dwindling in number and variety long before an asteroid strike ...