Get free printable axolotl bookmarks for coloring! These fun, customizable designs make reading more exciting. Download, ...

Axolotls, like this one at Pet Stop, are known for their feathery external gills. Generations of kids have begged for a cat or dog, but these days parents may be asked for an animal they have never ...

Axolotls are cute, charismatic salamanders that have an almost otherworldly ability to regenerate their body parts. But pollution and urbanization critically threaten this species' survival. When you ...

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

On a crisp November morning a little after dawn, grey mist unspools from the surface of the water of a maze of canals and island farms called Xochimilco. I’m just a dozen miles south of the center of ...