They get less than any other animal, which leaves a jumbo-sized hole in theories about why animals snooze at all.

The placebo effect shows up in pets too, but these treatments are fooling owners, not their animals.

Despite their wacky brains, these intelligent animals seem to respond to the drug in a very similar way to humans.

Exchanging wildlife specimens with museums and zoos can help law enforcement stop smugglers.

The myth and science of the country’s favorite floofy, fluffy cuddle-badgers

Arachnids are proof that animals don't need big brains to be brilliant.

Invasive species are sometimes trapped, poisoned, and shot in large numbers to save native species from extinction. Some scientists say the bloodshed isn’t worth it.

The country’s wildlife agency, faced with a drought and financial troubles, has asked Zimbabweans with land to take its animals.

The Arc gene, which is critical for animals’ ability to learn from experiences, has an incredible origin story.