Underneath the slimy, petal-faced monstrosity of the "Stranger Things" Demogorgon is movement specialist Mark Steger. Here's ...

Two kitten cougars originally photographed last spring were spotted in December. See how big they are, and what wildlife officials say.

Step aside, Van Gogh. Some spiders are out here making self-portraits for survival. New research shows that several orb-weaving species construct giant web-mounted “doppelgängers” convincing enough to ...

Theodore Scritches McWiggles isn't your ordinary house cat. This 33-pound Maine Coon recently broke the internet — and possibly a few chairs.