New fossil studies reveal that ancient predators like saber-toothed cats vanished rapidly after their primary prey species declined.

Dive into the chilling world of ancient predators in our latest video, "18 Extinct Predators That Hunted Humans"! From the fearsome saber-toothed cat to the colossal Crocodylus thorbjarnarsoni, ...

Serrations at the edges of a fossilized flipper of the ancient marine reptile Temnodontosaurussuggests it may have been able to swim silently.