Despite their never-ceasing grins, axolotls have been at risk of extinction for years. Over two decades ago, there were about 6,000 of these tiny salamanders for every square kilometer in Lake ...

This article was originally featured on Undark. On the southern edge of Mexico City, on a patch of land surrounded by water, a farmer and a scientist recently inspected rows of small cubes of mud that ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This frilly-gilled amphibian never leaves its tadpole stage ...