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

What if the key to human limb regeneration wasn’t buried in sci-fi dreams—but already in your medicine cabinet? Scientists at Northeastern University have uncovered a breakthrough that’s raising ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A tiny creature ...

With a silly smile and frilly gills, the axolotl has wriggled its way into the hearts of millions, becoming a popular aquarium pet and pop culture icon in video games, children’s books and toy stores.

Although often glossed over, the human liver is a pretty amazing organ. Not just because it’s pretty much the sole thing that prevents our food from killing us, but also because it’s the only organ in ...

View post: Matt Damon & Ben Affleck’s Explosive Return: Why Netflix’s ‘The Rip’ Is 2026’s Must-Watch Action Thriller What if the key to human limb regeneration wasn’t buried in sci-fi dreams—but ...

In a study that builds on earlier research that identified macrophages as essential to regeneration in the axolotl, a highly regenerative salamander, a scientist has identified the source of these ...

A salamander’s limbs are smaller and a bit slimier than those of most people, but otherwise they are not that different from their human counterparts. The salamander limb is encased in skin, and ...

(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 regeneration. Aquatic salamanders ...