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 ...

Indigenous Australians may have been fossil collectors, not hunters that drove megafauna to extinction, new research suggests. For more than 40 years, cuts in the lower leg bone of a now-extinct giant ...

A biotech company that claims to have brought dire wolves back from extinction has announced plans to resurrect giant extinct birds called moa. However, experts say that dire wolves were never truly ...

A species of huge, flightless bird that once inhabited New Zealand disappeared around 600 years ago, shortly after human settlers first arrived on the country’s two main islands. Now, a Texas-based ...