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

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 ...

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 ...

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 ...

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 ...

Glow-in-the-dark axolotls reveal a clue in the mystery of limb regeneration. By CNN Newsource. Published June 12, 2025 1:05 PM . By Kameryn Griesser, CNN (CNN) — A tiny creature with ...

By Kameryn Griesser, CNN (CNN) — A tiny creature with frilly gills, a polite smile and glowing green skin just gave scientists a major clue to solve one of biology’s biggest mysteries: limb ...

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