It almost sounds like something from a fantasy novel: a creature that can turn back the clock and virtually escape death ...

The process the immortal jellyfish uses to cheat death is like a form of cloning. If we can adapt it to the human body, it ...

As animals, they are subject to the cycle of life and death - though one species is known to bend the rules. This illustration shows the different life stages of Turritopsis jellyfish. Image via ...

Turritopsis dohrnii follows a typical jellyfish life cycle, beginning as a larva and maturing into a polyp and then an adult medusa. However, it can revert to the polyp stage in response to stress ...