Animal Facts

Learn about some of the strange and unusual facts and terms in the animal kingdom.

Tardigrade Mating Finally Caught on Camera, Is Suitably Weird

The toughest animal in the world has just released its first sex tape, and as with all things water bear, things get pretty freaky.

Hypnotic, Interactive Map Predicts Migration as Animals Become Climate Refugees

A new tool helps visualize how a changing climate will force animal species to relocate.

10 Animals That Look Like Monsters

There's little we can imagine that Mother Nature hasn't already dreamed up in one of her fouler moods. Care to meet some creatures with frightful features?

5 Reasons Tardigrades Will Outlast Us All

There's no way humans will outlive the tardigrade, but we might be able to steal some of its powers while we have the chance.

There Are Multiple Theories for Why Dogs Tilt Their Heads

If you think there's one easy explanation behind this cute canine behavior, think again.

Your Dog or Cat Can Have Depression, Too

But how do you diagnose a pet's mental state when it can't talk to you?

10 Animals With Better Jobs Than You

Hate to say it, but some animals have jobs that are far more interesting — and more lucrative — than yours. Who are these lucky dogs?

Gaze Into the Disappearing Mouth of the Hydra

The Hydra is a fearsome, tiny predator that stings and swallows its prey — through a mouth it had to rip its own skin to create. But how does it do that?

New Study: Fear Alone, Replacing Actual Predators, Can Change Ecosystems

The only thing we have to fear is fear itself, said FDR, but he wasn't a biologist. Scientists examined what impact the fear of apex predators can have on an ecosystem.

Feeling Sick? Snuggling With Pets Won't Hurt Them, Could Help You

Don't worry about transmitting the cold or flu to your furry friends. In fact, some time cuddled up can help with your sickness.