These glow-in-the-dark axolotls can regrow lost limbs — and studying them could eventually help humans do the same.

These glow-in-the-dark axolotls can regrow lost limbs — and scientists say studying them could eventually help humans do the same.

Latest Videos Glow-in-the-dark axolotls reveal a clue in the mystery of limb regeneration By Kameryn Griesser, CNN Jun 12, 2025 Updated Jun 13, 2025 ...

Axolotls don’t naturally glow in the dark. To observe the signaling cues of retinoic acid, Monaghan’s team used genetically modified axolotls that gleam fluorescent green wherever the molecule ...