When humans lose a limb due to an injury, there are lifelong lifestyle changes that are necessary to accommodate the loss of the arm or leg. In some instances, the changes are minor, with people ...

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 ...

Axolotls have a superpower: The adorable, perpetually smiling salamanders have the ability to regrow missing body parts in just a few weeks. Now, in a new study that scientists say could one day help ...

Some invertebrates such as planarian flatworms can regrow entire bodies from small bits of tissue. But salamanders are the only vertebrates that can regenerate full limbs. When an appendage is severed ...