This extinct animal wasn’t actually closely related to the tiger or other modern cats, and its demise was imminent. Climate change and competition with other species most likely led to its extinction, ...

Not all animals have the name recognition of a T. rex or a dodo. However, plenty of well-known animals have vanished from the ...

From horseshoe crabs to crocodiles, some of these creatures have looked about the same for hundreds of millions of years.

Today, the Argentine black and white tegu is considered an invasive species in Florida, but long before they arrived via the pet trade, their prehistoric ancestors roamed this region. Credit: Kevin ...