It’s easy to assume P. goliah and other giant kangaroos lost their ability to hop as a result of all that bulk. After all, ...

Previous research indicated that kangaroos weighing more than about 350 pounds would rupture their ankle tendons if they tried to hop. The largest of the Ice Age kangaroos, Procoptodon goliah, which ...

In 1963, researchers unearthed two Stone Age skeletons that were buried in an embraced position in a cave in Italy. Now, DNA testing has revealed that one of them had a rare genetic condition.

At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...

Thousands of years before the invention of compasses or sails, prehistoric peoples crossed oceans to reach remote lands like ...

Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.