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 ...

This past summer, a San Diego, California, resident named Anya Stajner was taking an evening stroll down the beach in La Jolla when she spotted something purple in the sand. As she looked more closely ...

High-tech camera system makes it possible for humans to see colors in the way animals do, adding vivid new perspective to the ...