New dating techniques of a century-old fossil site in New Mexico dispel the theory that dinosaurs were already in decline ...

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

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

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

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

Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, allowing the rise of mammals and leaving birds as their only living descendants.

The dinosaur and its other megaraptor cousins were dominant predators in this region of South America before going extinct at the end of the Cretaceous with other non-avian dinosaurs, scientists ...

The Russian dinosaurs have finally arrived at the Royal Ontario Museum after a mysterious delay, which curator Hans-Dieter Sues says has still not been explained. But it's a tiny blip compared with ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks ...