WASHINGTON (Reuters) - In the aftermath of the asteroid impact 66 million years ago that doomed the dinosaurs, it appears that brawn was more important than brains for the mammals that managed to ...

The evolution of ankle and foot bones into different shapes and sizes helped mammals adapt and thrive after the extinction of the dinosaurs, a study suggests. A surge of evolution following the mass ...

About 55 million years ago, the Northern Hemisphere was the site of a major evolutionary makeover: Modern groups of mammals like the ancestors of the horse, deer, goats, primates, and opossumlike ...

(CN) — Researchers at the University of Colorado in Boulder identified three new species of prehistoric mammals through fossils that enhance scientific understanding of how quickly mammals evolved ...

Researchers in Colorado have discovered the fossilized skull of a tiny, now-extinct mammal that lived around 65 million years ago, in the aftermath of the dinosaur-killing asteroid strike. The newly ...

Mammals have the largest brain to body size ratio among vertebrates, but how did this unprecedented encephalization emerge during their evolution? A new study by Ornella Bertrand and colleagues ...

It may have been the smart evolutionary strategy during a chaotic chapter of Earth’s history, but it didn’t last. By Jack Tamisiea Mammals are the brainiacs of the animal world. The brain of the sperm ...

Many of the mammals that emerged right after the non-avian dinosaur extinction were hearty creatures, as exemplified by Ernanodon, a beast described in the latest issue of the Journal of Vertebrate ...

Meet Beornus honeyi — but you can call him Beorn. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Early on their quest to reach the Lonely ...

The evolution of ankle and foot bones into different shapes and sizes helped mammals adapt and thrive after the extinction of the dinosaurs, a study suggests. The evolution of ankle and foot bones ...