When it comes to cats, those meows mean ... well, a lot of things. With each purr, yowl or even blink, felines are saying, "Hello," "Let's snuggle" or "Beat it, Mom." For the increasing number of pet ...

My best friend is a golden retriever. When I get home, she greets me with a goofy smile and a big wag of her fluffy tail. I talked about why she has a tail with my friend Jillian Haines. She’s a ...

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.

Ground squirrels heat their tails to defend their young against predatory rattlesnakes, reports a study published in the early online edition of Proceedings of the Natural Academy of Sciences (PNAS).

Kangaroos may be nature’s best hoppers. But when they are grazing on all fours, which is most of the time, their tail becomes a powerful fifth leg, says a new study. Involving researchers at the ...