Saber-toothed predators—best known from the infamous Smilodon—evolved multiple times across different mammal groups. A study titled "Functional optimality underpins the repeated evolution of ...

The Saber-toothed cat was an animal species that became extinct ten thousand years ago. These were named after the pair of elongated bladelike canine teeth in the upper jaw. However, they are also ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Illustration © Henry Sutherland Sharpe. Scientists ...