A newly described blue jellyfish in Japanese waters has stunned researchers with an otherworldly glow that looks less like a ...

An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops ...

Scientist off the coast of Argentina are reeling after a rare giant jellyfish sighting. The underwater footage offers a ...

"An ancestral trait." Groundbreaking study finds bizarre similarity between brainless jellyfish and humans: 'Fundamental ... across the entire animal kingdom' first appeared on The Cool Down.

Turns out jellyfish and sea anemones – among the ancient creatures with a nervous system instead of a brain – have a very similar sleeping routine to our own. A new study published in Nature ...

“With every expedition to the deep sea, we find the Ocean is full of life—as much as we see on land, and perhaps more because ...

A CANNIBALISTIC jellyfish has colonised the waters surrounding Venice, posing “major” problems for people. Carrying the ...

Most people think the great white shark is the ocean predator they should fear the most. However, this type of jellyfish, statistically speaking, is much deadlier. Sharks are probably the animal that ...

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 ...

Sudden arrival of a smack of lion’s mane jellyfish on Australian beaches prompts warnings for swimmers.