CT scans also indicate Archaeopteryx had nerve endings in the end of its beak—part of what’s known as a bill-tip organ. Again ...

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched equid. Here’s why.

Learn how increased protein diversity in signaling genes may have helped drive the shift from invertebrates to vertebrates, ...

Animal groups show how simple actions create shared intelligence, shaping technology, health research, and crowd safety.

Venom is one of nature’s most effective (and fascinating) survival tools. Across the world, a wide range of animals have ...

"This will make it even easier." Scientists make stunning AI-powered discoveries while listening to animal recordings: 'It ...

Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species. Some hybrids occur naturally where habitats overlap, while others result ...

A pet cow has learned to scratch herself with a broom, showing creative problem-solving skills that make it harder to ignore the fact that these animals have minds, says Marta Halina ...

A popular idea suggests a link between big brains and a rich social life, but octopuses don't fit the pattern, which suggests ...

A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in socially complex species. The findings show diverse sexual behaviors are common — ...

Two teams earned an A+ while one got a D+, as we rank teams based on the candidates chosen and the processes behind the searches.