Breeding the animals in captivity is a complicated process.

For animals, sleep is both universal and incredibly varied.

The bean has the potential to remake American diets, but it has an image problem.

The reforestation of the eastern United States—thanks partly to conservationists and mostly to accident—can show the developing world how to make room for people, farming, industry, and endangered species of plants and animals, which have been returning. We can give the rest of the world a better example if we address the problems that even this fortunate region still faces

The animals have evolved stealthy echolocation that moths can't hear.

A highly entertaining montage of YouTube videos featuring furry, feathered, and slimy creatures using their favorite Apple device

Images of some of the refugee cats and dogs of Ukraine being cared for as family members, and brought to safety