It's easy to think of pupils as simple holes that widen in the dark and shrink in the light. But if you look across the animal kingdom, you'll see a variety of pupil shapes: vertical slits in cats and ...

Studying the ways in which nonhuman animals sense their world is a most awe-inspiring area of research. Not surprinsgly, there are vast differences in the sensory capacities among animals that are ...

While there are organisms, like the Pacific lamprey and the star-nosed mole, that move through the world without the benefit of sight, most have evolved to communicate and interpret information ...

A tiny fawn proved just how effective its camouflage can be when a passing dog didn’t even realize it was there. Rescue dog donates blood to help save fellow pup Therapy dog Boris gets 'Toy Story' ...