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 ...

With their perpetually smiling faces, feathery gills, and charmingly plump bodies, axolotls have captured hearts worldwide.

Researchers are studying axolotls -- "small, smiling salamanders" -- in the hopes of learning how humans might one day regrow arms or legs. Photo by Adobe Stock/HealthDay News With their goofy grins ...

The axolotls will grow about an inch per month, eventually growing to 8 to 12 inches in length. “Right now, they’re growing front legs, and then they’ll get the back legs,” Hancock said. “They’re the ...

Axolotls can regrow limbs, organs and even parts of their brain Scientists used lab-engineered glowing axolotls to study how this works A key chemical may help cells 'know' what body part to regrow ...