A joint research team has discovered a fossil belonging to a previously unknown genus and species of mammal in the Late ...

Fresh from space, NASA's oldest full-time astronaut said Monday that weightlessness made him feel decades younger, with ...

A controversial idea suggests the ancestors of echidnas were more like the platypus. For the first time, fossil evidence ...

The odd-looking specimen with scythe-like jaws indicates that early ants were spread widely across the globe while dinosaurs ...