Speculative evolution explores how dinosaurs might have evolved into intelligent, tool-using species, but fossil evidence ...

Artist's rendering of the Chicxulub asteroid entering Earth's atmosphere 66 million years ago, triggering events that caused a mass extermination. Roger Harris/Science Photo library via Getty Images ...

Rocks formed immediately before and after non-avian dinosaurs went extinct are strikingly different, and now, tens of millions of years later, scientists think they’ve identified the culprit—and it ...

The Fort Union Formation was deposited after the extinction of dinosaurs, and looks like it's composed of stacks of different colored rocks—"pajama-striped looking beds," Weaver said. The brightly ...

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 ...

Named for its razor-like teeth, Novaculadon mirabilis came from a rodent-like order that outlived the dinosaur extinction before vanishing about 30 million years ago. By Sara Novak Around 145 million ...

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their extinction. A life reconstruction of Alamosaurus sanjuanensis, from the ...

This is read by an automated voice. Please report any issues or inconsistencies here. Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million ...

One of the most surprising effects of the cascade of changes was...fruit? One of the most surprising effects of the cascade of changes that played out in the wake of dinosaur extinction may have been ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

As families gear up for the latest entry in the Jurassic franchise, we spoke to the guy behind the de-extinction of the Dire Wolf to get his thoughts on the science in the new film. Jurassic World ...