Dinosaurs long dominated Earth’s land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus ...

Researchers in China found Baminornis zhenghensis, which lived at roughly the same time as the famous Archaeopteryx but ...

Roughly half a million years ago, a group of armadillo-like mammals, horses, and sloths met their end in a sinkhole in what ...

LITTLE ROCK, Ark. (AP) — Jim Guy Tucker, who became Arkansas’ governor when Bill Clinton was elected president but was later ...