Meet the leaf sheep, a cute little animal-plant hybrid that can photosynthesize to generate extra energy within its body.

Save the sea otters! How cute critters can inspire kids to protect the ocean. Nothing motivates children more than an adorable animal in trouble. Here are 5 that will inspire them to save the seas.

Sea otters are very social animals that often form groups called rafts. When they sleep, they hold hands with each other to prevent drifting apart.

Scientists manning the exploration vessel Nautilus and its remotely-operated vehicles spotted a creature that looked like a googly-eyed cartoon octopus. (Video: EVNautilus, Nautilus Live) ...