Researchers reexamining fossils identified telltale marks made by human ancestors cutting meat from bones. The discovery ...

A wave of sea lions off the coast of Southern California have been sickened by an algae-produced toxin that makes them ...

The invasive northern snakehead, which has recently been appearing in Missouri and other states, must be eradicated, ...

Before frogs were cute, Beelzebufo ampinga lurked in Madagascar’s shadows with a skull built for bone-crunching — and possibly dinosaur-snacking.