Narcissists lash out when they feel threatened or hurt. If you are on the receiving end, it can feel excruciating. Here are ...

Shadows, figures, or the feeling that ... Except, instead of a saber-toothed tiger, it’s just your own panic. But the brain, in all its glory, decides to throw in a demon for dramatic flair.

The curved teeth of the saber-tooth tiger represents an evolutionary paradox. Gaining its trademark curved fangs made it functionally optimal for piercing the flesh of its prey. But that level of ...

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 ...

Well, this is a story of a celebrity animal. Researchers are asking, whatever happened to the saber-toothed tiger? Kids learn in school about those tigers with canine teeth - the long, pointy ones ...

In the history of teeth, perhaps no tooth is as famous as the saber tooth. These long, blade-like canines seem almost perfectly optimized to kill prey. They've evolved at least five times in ...

A new analysis suggests saber teeth were highly specialized for puncturing prey, ultimately at the cost of durability. Saber teeth in predators evolved many times. Did it lead to their extinction?