These 20 animals are so strange they look like science fiction creations, but they’re completely real. Nature is far more bizarre than you think.

Sponges may be ancient, but their timeline has been murky. New research suggests the earliest sponges were soft and ...

From horseshoe crabs to crocodiles, some of these creatures have looked about the same for hundreds of millions of years.

Just as AI and other cutting-edge tools create unprecedented opportunities for understanding and protecting nonhuman animals, they also pose serious risks of further manipulation and exploitation.

Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there ...

On a late night in the Philippines, zoologist Terry Gosliner slipped into the waters of a sandy harbor, on the hunt for photos of octopus and other marine creatures. But as he swept his flashlight ...

Ever wondered how some animals manage to survive without the luxury of a good night's rest while we humans desperately need our eight hours? The animal kingdom is packed with creatures that seem to ...

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges.

Animals face a constant battle to survive, not just by finding food but by avoiding becoming food themselves. Over millions of years, evolution has produced a vast range of defense strategies, from ...

In the wild, a mouse or rat leads a precarious life. In the city, they dodge traps, poisons, and broom-wielding humans. In the countryside, they face owls, shotguns, and more poison. As Australia’s ...

Larry Carbone offers an insider's perspective on the ethics of using animals in invasive research, the need for more compassion, and what must be done immediately on their behalf.

A baby’s first toy is often a soft stuffed bear. Soon, children may meet Winnie the Pooh and Paddington. They learn that these bears are kindhearted and polite with a good moral compass, cravings for ...