In a new paper in Science, experts from the University of Chicago describe steps that took place some 66 million years ago to ...

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

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

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their ...

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.

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

It was in egg-cellent condition. Argentine paleontologists found a real diamond in the rough after happening across a ...