Salamanders regrow entire limbs. We share their evolutionary blueprint. So why can’t humans do the same? The answer ...

Scientists studying axolotls, zebrafish, and mice have uncovered a shared set of genes that may one day help humans regrow ...

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Could humans be capable of growing new limbs? Scientists are trying to figure that out with the aid of an unexpected resource: salamanders. Research shows that the amphibians' regeneration abilities ...

Snakes and lizards have distinct body movement patterns. Lizards bend from side to side as they retract their legs to walk or run. Snakes, on the other hand, slither and undulate, like a wave that ...

New research on the fin development of the Australian lungfis elucidates how fins evolved into limbs with hands with digits. The main finding is that in lungfish a primitive hand is already present, ...

The Burgess Shale in British Columbia is renowned for its exceptional preservation of soft tissues in fossils, including limbs and guts. While trilobites are abundant in the fossil record thanks to ...

An icon in the shape of a lightning bolt. Impact Link Like humans, African clawed frogs can't regrow missing limbs — yet. Scientists have gotten frogs with amputated legs to grow new, leglike ...

The natural world can be a dangerous place. With constant competition for food, shelter and a mate, it’s more than likely that things will end up getting violent. In the unfortunate event of a serious ...