Sixty-six million years ago, a catastrophic asteroid impact wiped out 75% of Earth’s species, bringing an abrupt end to the reign of the nonavian dinosaurs. The 9-mile-wide (15 km) space rock struck ...

From ancient carvings to supposed dinosaur sightings, many claim humans once lived alongside dinosaurs—but the evidence doesn’t hold up under scrutiny. Here’s what’s really going on.

When I think about dinosaurs, I usually picture the big ones. I think of triceratops with its pointy horns or apatosaurus with its long, long neck. I asked my friend John Blong if those dinos ever ...

A microbiologist named João Pedro de Magalhães has proposed the idea that the reign of dinosaurs forced mammals to speed up their reproductive cycle, eliminating key longevity genes. de Magalhães ...

Regina Barber and Rachel Carlson of Short Wave talk about humans' unique breathing patterns, how a hotter planet worsens droughts, and the diets of dinosaurs. It is time, once again, for our science ...

The story starts when John Hammond clones dinosaur DNA that was extracted from the blood inside a prehistoric, ...

Right now, I’m wearing a bright purple sweatshirt. It has a brontosaurus on it. Yes, I put this on with glee this morning, and yes, I wore it to work. I’ve been smiling all day. And all I want to talk ...

How did plants and animals survive around 200 million years ago when the carbon dioxide concentration went up to 6,000 parts per million? Paul Olsen, a geologist and paleontologist at Columbia Climate ...

Add Yahoo as a preferred source to see more of our stories on Google. Dinosaur tissue under the microscope At first glance, dinosaur fossils and modern cancer research may seem worlds apart. But a new ...