Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of ...

For the first time in 180 years, descendants of the extinct Floreana giant tortoise are reclaiming their ancestral homeland.

Arthropleura Arthropleura was one of the largest bugs of all time, but we still don’t know as much about it as some other extinct animals. We don’t know what their diet looked like and if they were ...

The curious minds at What If consider how ecosystems and evolution might change if the largest flying animal never went extinct.