Lizards have amazing regeneration abilities. When in danger, they may purposefully lose their tail, only for it to regrow ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. TOKYO — If you’re prone to tripping or ...

Physiological and Biochemical Zoology: Ecological and Evolutionary Approaches, Vol. 86, No. 6 (November/December 2013), pp. 611-630 (20 pages) AbstractThe ability to shed an appendage occurs in both ...

A new study of Tyrannosaurus rex's muscular tail suggests that the dinosaur was one of the world's fastest-moving hunters. The study, published in The Anatomical Record, shows that T. rex's long tail ...

If caught by a predator, the green anole lizard can drop its tail and grow another one later. But the regenerated tail isn’t a perfect replica of the original. According to two new studies, the new ...

Like spider monkeys, our ancestors’ tails helped them stay balanced in trees (Getty Images/iStockphoto) For half a billion years or so, our ancestors sprouted tails. Like fish, they used their tails ...

Overall, the muscle mass in T. rex 's tail has likely been underestimated by as much as 45 percent up until now. Gotta run! As for how T. rex 's tail muscles got so giant, Persons said the development ...

For half a billion years or so, our ancestors sprouted tails. As fish, they used their tails to swim through the Cambrian seas. Much later, when they evolved into primates, their tails helped them ...

You may have noticed that your cat's tail moves in all sorts of ways, from quivering in an upright position, to swishing from side to side, to being held down close to the ground. But besides using ...