A new study theorizes that animals can turn off "sickness behaviors" in different social contexts.

Instead of abruptly separating calves and cows post-birth, some farmers are experimenting with gentler, more gradual methods.

A few glimpses of North Dakota’s landscape, and some of the animals and people calling it home

Poop mapping, dog pregnancy kits, bribing pandas for ultrasounds—zoos often have to get creative to figure out when their animals will give birth.

A handful of images of snoozy people and animals enjoying the benefits of napping in various locations

A few glimpses into the landscape of Michigan, and some of the animals and people calling it home

A few glimpses into the landscape of Oklahoma, and some of the animals and people calling it home

The animals and human cells used in medical research are overwhelmingly male—meaning that as new therapies are developed, some biological sex differences may go unaddressed.

Off the coast of Yemen, in the Arabian Sea, lies the isolated Socotra Island, where hundreds of plants and animals have developed into unique species.