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 ...

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 earliest animals may have evolved hundreds of millions of years before their first unmistakable fossils appear in the ...

Groundbreaking study shows machine learning can decode emotions in seven ungulate species. A game-changer for animal welfare? Can artificial intelligence help us understand what animals feel? A ...

Pushed to the brink, animals are picking up new behaviors and tricks to persevere in a world ruled by humans. By Jason Bittel Published Oct 18, 2022 9:15 AM EDT Add Popular Science (opens in a new tab ...

Your pet may not be able to speak, but that doesn’t mean you two can’t find ways to communicate. Here’s how to talk and listen to the beloved animals in your life, according to experts.

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 ...

Sound science requires animal subjects to be physically, physiologically, and behaviorally unharmed. Accordingly, publication of methods that contravenes animal welfare principles risks perpetuating ...