The axolotl may look cartoonishly harmless, but beneath its frilly gills lies one of evolution’s most astonishing survival abilities: functional brain regeneration.

(CNN) — A tiny creature with frilly gills, a polite smile and glowing green skin just gave scientists a major clue to solve one of biology’s biggest mysteries: limb regeneration. Aquatic salamanders ...

Living in a murky lake around Mexico City, surrounded by aggressive and cannibalistic neighbors, the axolotl lives at constant risk of losing a limb to a neighbor's nibble. Fortunately, lost limbs ...