Tails might look like nature’s afterthought but for many animals, they’re multitasking power tools. Whether it’s balancing, fighting, flirting, or escaping predators, tails do way more than just wag.

A wagging dog tail does not always mean a happy dog. It can also signal excitement, stress, fear, or uncertainty.

The question in the title is simple and straightforward, and many people—researchers and non-researchers including dog lovers—all have opinions on the matter. Everyone seems to know why dogs wag their ...

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See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A cat will often use its tail to convey emotions, swishing it from side ...

Our feline friends say a lot with their body language. Here's why cats wag their tails, according to an expert. Cats are mysterious little creatures, known for leaving even the most devoted pet ...

Much like a facial expression, a dog wagging its tail can be a clue to a wide range of emotions. Though the popular imagination places dog-wagging squarely in the camp of happy emotions, the behavior ...

Seeing photos of cold-stunned iguanas in Miami during a winter cold spell brought back an early memory. I was a seventh-grade intern in the reptile house at Audubon Zoo in New Orleans, when I jumped ...

He's soon to be a foster dog!