A badger-like mammal died while chomping into the ribs of a live horned dinosaur more than 100 million years ago. The pair were perfectly preserved, still locked in combat, in "China's dinosaur ...

But in the March Mammal Madness tournament, not only do these magnificent creatures engage in combat, they do so on a beach in Oregon — a habitat neither animal is familiar with. "People were ...

A remarkable fossil discovery in northeastern China has revealed a twisted prehistoric food chain – a dinosaur species that devoured a mammal, which itself may have preyed on dinosaurs. The ...

Research improves upon a popular experimental model of mammal development and in doing so, reveals more of the inner workings of a critical period during the formation of an embryo. Research from ...