The arctic fox completely swaps its dark summer coat for a snow-white one when winter is coming. The kidney garden spider ...

Cryptozoology has long fascinated people by exploring the possibility that mysterious creatures might exist beyond what our science has documented. In a world where it can feel like everything has ...

Add Yahoo as a preferred source to see more of our stories on Google. Platypuses are monotremes, one of the oldest branches of mammals, and they reproduce by laying eggs instead of giving birth to ...

Many animals have highly effective hunting strategies that have allowed them to thrive for millions of years. These predators ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

Octopus Sex Just Got Weirder. In Addition to Depositing Sperm, Males’ Specialized Mating Arm Can ‘Taste’ Female Hormones The ...

Some have suggested the creature is a lemur, but an animal expert believes the critter is something else Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013, covering ...

In 1774, British physician-scientist Charles Blagden received an unusual invitation from a fellow physician: to spend time in a small room that was hotter, he wrote, “than it was formerly thought any ...

When people think of milk-producing animals, cows and buffaloes are usually the first to come to mind. Some may also think of goats or camels. But across the world, people have been consuming milk ...

White light, driven not simply by brightness but by geometry, consistently triggered the unusual behavior in woodlice.