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

Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...

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

When the asteroid struck Earth, a cloud of dust laced with iridium, a metal common in meteorites, blanketed the planet. Paleontologists use that telltale layer of atoms from space embedded in clay to ...

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

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

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

A geology professor who joined the New Mexico State University faculty this year is the lead author of a new paper addressing ...

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

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

In a new study, researchers said they uncovered part of a skull as well as arm, leg and tail bones from the Lago Colhué Huapi ...