The research, published in the journal Science Advances, suggests animals may have originated deep in the Neoproterozoic Era.

But all animals use carotenoids to fight off disease, such as boosting immune cells to destroy any harmful bacteria. Only ...

The oldest known animal fossils are about 574 million years old, but the fossil record is too sparse to reveal when Earth’s ...

Microfossils from Mongolia suggest the first animals may be up to 200 million years older than their oldest clear fossils, a new study finds.

With a new database of medical images, zoo and wildlife vets can finally see what healthy uncommon animals, from rhinos and tamarins to pangolins and sea stars, should look like on the inside. With a ...

How do animal behavior researchers feel about the feelings of animals? A new survey helps to answer that question. The journal Royal Society Open Science published a survey of 100 researchers of ...

New research suggests animals could have evolved as early as 800 to 700 million years ago, roughly 200 million years earlier than some previous estimates. If so, the first animals may have lived ...

The Department of Animal and Food Sciences offers six graduate degree programs: the master of science degree in animal science; the non-thesis master of science degree in animal science with a ...

The Master of Laboratory Animal Science (MLAS) degree program in the Stanford University Department of Comparative Medicine is a graduate program designed for students who want to pursue advanced ...