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

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.

Evolution is often depicted as a steady forward march from simple to complex forms. But new research shows that certain ferns ...

Jan. 9, 2025 — 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 ...

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan ...

We have been researching the evolution of primate litter size – how many babies grow during each pregnancy – for the past several years. To study mammal evolution and reproductive life history ...

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