Evolution has turned out bizarre and baffling creatures, such as walking fish. It only gets weirder from there. Some of these fish not only walk on the seafloor, but use their leg-like appendages to ...

There are many mysteries of the ocean that still baffle scientists. Most of the time, this revolves around unique sea creatures that actually exist, despite being animals that look like aliens. One of ...

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

Walking on two feet is something humans took a very long time to master, but they eventually did it, and nobody really thinks about it anymore. But if you want to get a sense of what intricate ...