A team at Northeastern University announced Tuesday they discovered a key to limb regeneration in axolotls, the smiley pink salamanders that have become a social media sensation, findings that could ...

You may have seen axolotls—an amphibian in the salamander family with a permanent smile and pink, feathery gills—in a pet store or as a plushie in a window, but the endearing animal's popularity seems ...

An axolotl (ax-a-lot-l) is a creature with big frilly gills like a lion’s mane, tiny eyes with no eyelids and a mouth in the shape of a smile. They come in lots of colors: pink, black, golden or gray.

By Sarah Morland MEXICO CITY, June 8 (Reuters) - One of the first things visitors arriving in Mexico City for the World Cup ...