Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 ...

A saber-toothed predator from over 270 million years ago has been unearthed on Mallorca. The fossil represents the ...

However, 60 million years ago, having twins was the norm among primates, which changed everything anthropologists understood ...

Scientists have unearthed a remarkable fossil of a gorgonopsian, a saber-toothed predator they believe to be the oldest ever discovered.

A recent study has uncovered the surprising evolutionary origin of the mammalian outer ear, linking it to the gills of ancient fish and marine invertebrates. The research reveals that both structures ...

Learn how a variety of tooth shapes drove evolution across multiple kinds of mammals.

The short-beaked echidna (Tachyglossus aculeatus)  is one of Australia’s most iconic animals. Belonging to a unique group of ...

Saber-tooth fangs acted like an “evolutionary ratchet,” ensuring the hunting prowess of animals but limiting their ...

The short-beaked echidna (Tachyglossus aculeatus) is one of Australia's most iconic animals. Belonging to a unique group of ...

Researchers have uncovered why the formidable teeth of saber-toothed predators like Smilodon were evolutionarily advantageous ...