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 called ...

The axolotl genome is the largest set of genetic instructions that has ever been fully sequenced, more than ten times larger than a human genome. Kevin Yulianto / Getty Images When Lake Xochimilco ...

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

Axolotls are an incredible species, well known for their stylish looks, pretty pink coloring, and ability to regenerate. Unfortunately, these remarkable creatures are critically endangered. Scientists ...

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

(CNN) — Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientist Dr. Randal Voss gets the occasional ...