The science gets complicated, but having that silky milk chocolate coloring like Scrat means he has a black-dominant gene ...

The tapetum lucidum effect gives the wearers of such peepers incredible night vision, and it's found in a wide range of ...

Water and air pose completely different challenges to animals on a number of levels.

This year "Jaws" celebrates its 50th anniversary. Its success reflects the enduring importance of our most ancient fear: ...

Related: Trampoline-Loving French Bulldog Is 'Training for His Trip to the Moon' If you're in my camp and think Glasses is in ...

So, what animal has the best vision? In reality, there's no easy answer — but there are certainly some standouts. "There is no perfect visual system," Esteban Fernandez-Juricic, a professor of ...

The way dogs use eye contact to bond with humans represents one of the most remarkable examples of interspecies communication in the animal kingdom. Through thousands of years of co-evolution, dogs ...

These small freshwater flatworms can redevelop heads, eyes, tails, and internal organs—even when sliced into multiple pieces. Every fragment forms a complete worm.

Observing animals is fascinating, but getting too close can have consequences. Utah experts provided advice on avoiding conflict with bison.

Do reindeer's eyes really change color? If so, why, and how does this adaptation actually work in the wild?

Some parasites can affect the eyes. Without treatment, this can lead to vision loss. Learn more about the types of eye parasites, their symptoms, and treatment options.

An astrophysicist and an eye expert teamed up to solve the mystery of how and why reindeers’ eyes switch from yellow to blue in wintertime.