Scientists have decoded the genome of the axolotl, the Mexican amphibian with a Mona Lisa smile. It has 32 billion base pairs, which makes it 10 times the size of the human genome, and the largest ...

The smog and noise of Mexico City feel a world away as flotillas of trajineras, brightly decorated wooden gondolas, glide up and down the cool canals of Xochimilco. The quiet network of waterways, on ...

The axolotl, sometimes called the Mexican walking fish, is a cheerful tube sock with four legs, a crown of feathery gills and a long, tapered tail fin. It can be pale pink, golden, gray or black, ...

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The findings could aid conservation efforts for the beloved species, which is found in only one Mexico City lake.

Scientist Dr. Randal Voss gets the occasional reminder that he’s working with a kind of superstar. When he does outreach events with his laboratory, he encounters people who are keen to meet his ...

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