An ancient species has had experts scratching their heads about its unusual jaw shape. The salamander-like creature had a ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research led by the University of Bristol has revealed. The study, ...

Scientists found an unexpected aging pattern in a mostly intact juvenile mammal skeleton from the paleontological period. By Jack Tamisiea Small mammals often live fast and die young. Rodents and ...

The pygmy long-fingered possum and the ring-tailed glider, two marsupials believed to have died out thousands of years ago, are still alive in Papuan Indonesia.

This adorable sea lion has to eat five to eight percent of its body weight every day to stay healthy and hydrated. Over the ...

Sight can be deceiving, and even though these creatures look similar, there are worlds of differences between them.

Two new worm species were found living inside a real underwater "glass castle." ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed. More mammals were living on the ground several ...