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 ...

FARGO — When Ray Erickson was in kindergarten, he found a book on a strange breed of Mexican salamanders in a public library. Hungrily, he studied the book for years, and even to this day he’ll flip ...

The feathery gilled pink salamanders stop aging early and can regenerate their limbs. Studying them could be the next step in the journey to unlocking effective anti-aging treatments in humans.