University of California, Berkeley researchers studying fossils found in a museum collection are now helping to clarify how ...

Fossils tucked away in a museum drawer and identified merely as "feline" are actually from a very ancient and enigmatic saber-toothed cat that inhabited North America more than 5 million years ago.

In two new studies, researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, have shed light on how interactions between predators and prey influenced the ...