From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...

Animals often capture our attention by being cute, but wildlife is just that – wild. In order to thrive in their often extremely challenging natural environments, many creatures have adapted curious ...

Nature's wonders often defy human logic. Animals possess astonishing abilities honed by evolution for survival. Octopuses ...

Nature doesn’t try to impress us. It just exists, quietly doing strange, brilliant things whether we’re watching or not. We ...

Some indie game premises are so bizarre that you wonder how the human mind could come up with them. Such is the case with Ultimate Sheep Raccoon. With a title that sounds like it came from a random ...

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 ...

(CNN) — The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ...