Golden Retriever puppies are cute no matter what they do, but one little guy has found a way to make even yawning hilarious. Every time this floofy baby lets out a big yawn, he follows it up with a ...

Researchers believe the yawning robot may have triggered some biological mechanism in the chimps that they associated with sleep. Image: Popular Science composite, Getty Images/ RMJM, Aline ...

If you’ve ever caught yourself yawning after someone else does, you’re not alone; apparently, dogs aren’t immune either. In a new video posted by @aaronhidock, we get front-row seats to a hilarious ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...