A pit bull's rare genetic mutation gives him long, fluffy fur, and after six rehomings, he finally found his person.

A shiny is a very rare Pokémon that comes in a different color than usual. It may be a fictional concept, but nature has no shortage of similar surprises. Animals, plants, food, and other unexpected ...

Genes are short sections of DNA that determine an animal's traits—everything from coat color and claw strength to body shape and health. But sometimes, these genes mutate. And while the word itself ...

Experiments on an ultra-rare genetic mutation that causes neurodegeneration in children have helped uncover a new mechanism by which brain cells die. A team led by scientists at the German research ...