The axolotl, a type of salamander that stays in the tadpole form throughout its life, is a master of regeneration. Axolotls ...

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 ...

Although often glossed over, the human liver is a pretty amazing organ. Not just because it’s pretty much the sole thing that prevents our food from killing us, but also because it’s the only organ in ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A tiny creature ...

A better understanding of how these amphibians grow new appendages may lead to better wound healing—or even new limbs—in humans. Axolotls are native to Mexico and critically endangered in their ...