Swarms of jellyfish have invaded a bay in the Black Sea producing an unusual natural display, photos posted on social media show. The images reveal countless jellyfish of the genus (group of species) ...

Those free-swimming jellyfish in the sea don't start out in that familiar medusa form, but rather start as sessile and asexual polyps. Now, researchers have discovered what triggers that ...

Moon jellyfish (Aurelia aurita) in Egypt's Red Sea. (Image by Alexander Vasenin, Wikipedia Commons, via Courthouse News) Moon jellyfish (Aurelia aurita) in Egypt's Red Sea. (Image by Alexander Vasenin ...

With their translucent bells, moon jellyfish (Aurelia aurita) move around the oceans in a very efficient way. Scientists have now used a mathematical model to investigate how these cnidarians manage ...

The moon jellyfish (Aurelia aurita) is translucent. The jelly measures between 25–40 centimeters (or 10–16 inches) in diameter, and it has four, clearly visible, horseshoe-shaped gonads (resembling a ...

Jellyfish undergo an amazing metamorphosis, from tiny polyps growing on the seafloor to swimming medusae with stinging tentacles. This shape-shifting has served them well, shepherding jellyfish ...

Those free-swimming jellyfish in the sea don't start out in that familiar medusa form, but rather start as sessile and asexual polyps. Now, researchers reporting in the Cell Press journal Current ...