Hierarchical communication between cells with distinct positional memories orchestrates the regeneration of missing limb structures in axolotls.

The axolotl is a type of salamander. It has a long tail, flat head, and four lizard-like limbs, which it uses to move around the lake floor. But unlike other salamanders, axolotls are neotenic, ...

CREDIT: Marcus Brandt/picture alliance via Getty Images. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week ...

Despite capturing hearts around the world, the wild axolotl — an aquatic salamander with feathery frills and a soft smile — faces extinction. Fortunately, for both axolotls and their fans, a new ...

Despite their never-ceasing grins, axolotls have been at risk of extinction for years. Over two decades ago, there were about 6,000 of these tiny salamanders for every square kilometer in Lake ...