Jellyfish belong to a group of animals called Cnidarians, and one particular species, Turritopsis dohrnii, dubbed the 'immortal jellyfish,' is the primary focus of this natural wonder. This tiny, ...

In the video, the glowing jellyfish were seen creating a stunning scene by gliding through the dark ocean, located off ...

Jellyfish are known for their ability to take over ecosystems, even though they’re less efficient swimmers and hunters than their fishy competition. But a new study shows that jellyfish may rule the ...

Warm Australian waters are home to the box jellyfish (Chironex fleckeri), which is considered to be one of the most venomous animals on the planet. Box jellyfish stings lead to excruciating pain ...

Sleep is sp essential that you and I can’t live without it, and many other animal species are the same way. On the other hand, scientists have long thought that for sleep to be needed, said organism ...

Nighttime underwater photos show fish hanging out with jellyfish and anemones — perhaps seeking their protection.

A sea creature with long tentacles and a painful venom has been spotted on shores from Pawleys Island to Myrtle Beach. The Portuguese man o’ war is a jellyfish-like animal that often looks like a ...

Jellyfish are an ancient and successful group of animals. An in-depth look at the genome of the moon jelly, Aurelia aurita, shows that it uses a common set of genes to transition between polyp and ...

Scientists have unraveled the biological mechanisms behind what they describe as the extraordinary "superpower" ability of jellyfish to regenerate body parts. Jellyfish are primitive animals which ...