Giant ancestors of modern-day kangaroos—which previous research has estimated could weigh up to 250 kilograms—may have been ...

Scientists previously thought hopping was impossible for Protemnodon goliah.

This documentary investigates claims of ancient giants in North America using archaeology, historical records, and anthropology. Reports of oversized skeletons fueled myths throughout the 19th century ...

Add Yahoo as a preferred source to see more of our stories on Google. Before the famously huge megalodon, another fearsome ocean predator roamed the seas. According to a paper published earlier this ...