Long before modern civilization, prehistoric America presented an environment that may have been hostile to early human ...

Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out the relationships and adaptations of these “absolutely bonkers” herbivores ...

Long before modern civilization, prehistoric North Americans carved out lives in a continent full of challenges and opportunities. Their survival depended on a remarkable combination of ingenuity, ...

Did mammoths, sabre-tooth tigers and other Ice Age megafauna face a similar, impact-induced fate to the dinosaurs? That’s ...

Environmentalists are suing the federal government over what they say is a failure to protect the horseshoe crab, a ...