Modern sloths hang out in trees, move at a slow pace and eat a vegetarian diet — but the same thing can’t be said for their extinct relative, Mylodon. This ancient ground sloth, which lived in South ...

When you see an animal in the road, clearly in danger and with the potential of being hit by another car in traffic, do you stop to help the animal, or do you keep on driving and going about your day?

The humble sloth – an animal that is renowned for its slowness. In fact, it’s considered one of the slowest mammals on the entire planet. But while this might be the sloth’s signature distinguishing ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Modern sloths hang ...