A giant asteroid impact ended the age of the dinosaurs 66 million years ago. How did this mass extinction play out, moment by ...

Sixty-six million years ago, life on Earth was paid a visit by a very unwelcome guest: the Chicxulub impactor, an asteroid that infamously wiped out all non-avian dinosaurs. The state of dinosaurs ...

That killed T. rex? Berkeley team says it was it was a space impact after all. Feb. 7, 2013 — -- Go digging with dinosaur hunters and they will show you that the last of the Cretaceous beasts ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs. Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America. Fossil evidence from New Mexico shows that distinct “bioprovinces” of ...

The phrase "as dead as the dinosaurs" is an unfortunate one. Not only are the dinosaurs alive and well (they're known as "birds" these days), but it also implies the famed dinosaur giants from the ...

A ridge of rocks in New Mexico holds a snapshot of a dinosaur heyday. Fossils of crested hadrosaurs, long-necked sauropods and a variety of plants all point to a flourishing ecosystem. “Without this ...

One of the worst days in the history of life on Earth started like any other. Herds of hadrosaurs with huge head crests and duck bills roamed ancient New Mexico for plants to eat, making sure not to ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When it smashed into Earth "with the energy of about 8 billion times a World War II-era nuclear ...

Two T. rex dinosaurs square up for a fight in an illustration. Dinosaurs in the Cretaceous were thriving until the Chicxulub asteroid initiated a mass extinction. Mark Garlick / Science Photo Library ...