A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the SIK3-N783Y mutation ...

A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the SIK3-N783Y mutation in ...

A least 20 members of the family carry a genetic mutation that causes cancer in the digestive tract.

There are three main types of color blindness, also known as color vision deficiency. Keep reading to learn about the different types and their causes.

Green used to be the rarest eye color before a new color took over. Learn what it is and about genetics and other factors influencing eye color.

The gene mutation was isolated in a family in northern Italy where under half of the relations developed the disease.

This is a natural consequence of albinism. The rare genetic mutation prevents the body from producing melanin, the pigment that colors an organism’s hair, feathers, fur, scales, skin, or eyes.

Scientists in Western Australia have found a tree frog which is bright blue, rather than the usual green, due to a rare genetic mutation.

While some have claimed Taylor did have violet eyes, others say her eyes were a striking shade of blue that she enhanced through clever makeup tricks.

Violet Eyes Are So Rare, They're Likely a Genetic Mutation Meanwhile, the Optical Academy notes that "true violet-colored eyes are exceedingly rare and usually a result of albinism.