Have you ever seen a creature that seems to smile at you from behind the glass, with feathery gills waving like carnival ...

These glow-in-the-dark axolotls can regrow lost limbs — and scientists say studying them could eventually help humans do the same.

A worker shows an axolotl in a hatchery to preserve the species on August 19, 2019 in Mexico City, Mexico. CREDIT: Eyepix/NurPhoto via Getty Images. NurPhoto ...

But wild axolotls, endemic to a single lake in Mexico, are critically endangered due to degradation of their native wetlands, with only 50 to 1,000 individuals left in the wild.

With a silly smile and frilly gills, the axolotl has wriggled its way into the hearts of millions, becoming a popular aquarium pet and pop culture icon in video games, children’s books and toy ...

An axolotl, a type of salamander that's become a pop culture phenomenon, is now on display at the Philadelphia Zoo. The creatures are a favorite among kids after they were introduced in the video ...

These glow-in-the-dark axolotls can regrow lost limbs — and scientists say studying them could eventually help humans do the same.

These glow-in-the-dark axolotls can regrow lost limbs — and scientists say studying them could eventually help humans do the same.