When the medusa (the adult stage) of the immortal jellyfish (Turritopsis dohrnii ... In 2011, a marine biology student in ...

Jellyfish are among the oldest animals on Earth, found in all the world's oceans and serve as valuable model systems for ...

The moon jellyfish, Aurelia aurita ... It can revert from its mature adult form into an earlier stage of its life cycle and redevelop into a new mature jellyfish when conditions are more favourable.

What most of us would recognise as a jellyfish - the otherworldly, gelatinous aquatic animals renowned for their sting-filled tentacles - is actually just the final stage of these animals ... into ...