The new research is the first to look back at early mammals in full color. Using advanced fossil imaging methods and a ...

A team of researchers spotted two teeth fossils of creatures living alongside dinosaurs who later turned out to be of human ...

A discovery about the dark fur of early mammals confirms long-held theories about their evolutionary and ecological behavior.

There were small, furry mammals running around at the feet of the dinosaurs ... It's not clear why some dinosaurs and pterosaurs, such as Quetzalcoatlus, got so large during the Cretaceous Period.

Prehistoric insects encased in amber reveal a terrifying evolutionary road that dead-ended sometime after the mid-Cretaceous period. After examining multiple roughly 99-million-year-old specimens ...

During the age of dinosaurs, early mammals probably lacked the stripes and spots of their modern relatives, having uniformly dark, drab coats.

3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth. At the start of the period ... the landscape. And mammals sat poised to fill the ...

The fight scene, preserved in a fossil discovered in China, suggests that small mammals preyed on the dinosaurs that ruled Earth during the Cretaceous period more than previously thought ...

By the turn of the 21st century, however, scientists began noticing that dates on the various mammalian phylogenies weren't adding up: molecular data suggested that modern mammals originated during ...

A study of the fossilised fur of six mammals that lived during the Jurassic and Cretaceous periods has found they all had greyish-brown fur. “They were dinosaur food,” says Matthew Shawkey at ...

By the end of the Cretaceous, flowering plants had become dominant, providing food for burgeoning populations of insects, which in turn became another high-quality food source for the mammals ...