Darkness, not cold or acidification, was the main driver of marine extinctions after the asteroid that killed the dinosaurs.

Scientists studied ancient fungal spores and discovered Earth may already have been under stress before the asteroid wiped out the dinosaurs.

A single asteroid descended without warning to end the reign of dinosaurs, at the peak of their size and strength. It's too cinematic an image, too archetypal a story, to possibly be true, isn't it?

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 ...

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 ...

"It sounds like science fiction or the stuff of Hollywood movies." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NEW YORK — The American Museum ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...

Where the space rock came from 66 million years ago that crashed and killed the dinosaurs. 66 million years ago a giant space rock crashed into our planet and killed the dinosaurs. In the span of just ...