They don’t have a brain, and yet they’re able to survive—to thrive—generation after generation.” Flower hat jellies exemplify ...

Jellyfish are among the oldest animals on Earth, found in all the world's oceans and serve as valuable model systems for biological research. Microbiologists at Kiel University (CAU) have now shown ...

CHICAGO (Reuters) - Scientists in Spain have unlocked the genetic code of the immortal jellyfish - a creature capable of repeatedly reverting into a juvenile state - in hopes of unearthing the secret ...

Like other types of jellyfish, the T. dohrnii goes through a two-part life cycle, living on the sea floor during an asexual phase, where its chief role is to stay alive during times of food scarcity.

Sperm transfer in Copula sivickisi. The male (above) produces and transfers a spermatophore while grasping the female by the tentacles; the female (below) receives the spermatophore. Box jellyfish are ...