Published last week in the Proceedings of the Royal Society B, a team of Chilean scientists announced the discovery of ...

Named for its razor-like teeth, Novaculadon mirabilis came from a rodent-like order that outlived the dinosaur extinction ...

Scientists have discovered the fossil of a tiny mouse-sized mammal that lived in the time of the dinosaurs in Chilean ...

An unusual find in China suggests some early mammals may have hunted dinosaur for dinner. The fossil shows a badgerlike creature chomping down on a small, beaked dinosaur, their skeletons intertwined.

Mammals have developed astonishing dietary habits over the past 100 million years. A recent study highlights extreme ...

For most of us, Jurassic Park (streaming now on Peacock!) was the first time we ever saw dinosaurs and mammals locked in a mortal struggle for survival. Now, scientists have found a blockbuster ...

This artistic rendering based on the 125-million-year-old fossil shows the mammal, Repenomamus, biting the horned dinosaur Psittacosaurus. Often, a fossil is a pile of scattered bones.

Science Dinosaurs The ancestor of all placental mammals survived the dino-killing asteroid The ancient relative of humans, dogs, and bats briefly coexisted with the likes of Titanosaurs and ...

The mammal is perched on the dinosaur, its paws gripping the reptile’s jaw and a hind limb while its teeth plunge into the ribcage. “I’ve never seen a fossil like this before,” Mallon said.

The unusual fossil from China suggests some early mammals may have hunted down dinosaur meat for dinner. The fossil shows a badger-like creature chomping down on a beaky dinosaur three times its size.