Axolotls are native to Mexico and critically endangered in their habitat, but in scientific laboratories they're finally giving up their anti-aging, wound-healing secrets. Photograph By Raquel Saggin ...

A rare circulatory problem required Emily Wheldon to have her left arm amputated three years ago. Her brain still thinks it's there. "Most days, it just feels like I've got my arm next to me," she ...

BEIRUT (Reuters) -Six-year-old Omar Abu Kuwaik still believes that by his next birthday, his missing hand will have grown back. He is one of thousands of Palestinian children who have lost limbs and ...

Axolotls are known for their ability to grow back just about any body part that is bitten off by a predator, but the trigger for this regeneration was a mystery until now. It turns out that retinoic ...

Researchers collected images of lizards with missing limbs from experts around the world. Pictured here: an American green anole. Tony Gamble Jonathan Losos, a lizard biologist at Washington ...

Three children are feeling pure joy this December about "the best Christmas present in the world." Ettie Baker, age 8, Zoey Hampton-Pigeon, age 8, and Finn Jarvis, age 11, were all given ...

BEIRUT (Reuters) - Six-year-old Omar Abu Kuwaik still believes that by his next birthday, his missing hand will have grown back. He is one of thousands of Palestinian children who have lost limbs and ...