Thousands of cannonball jellyfish washed ashore along North Carolina beaches during a red drum spawning event.
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The photo, titled 'Medusa Ballet,' was recently announced as the overall winner at the European Wildlife Photographer of the Year 2021 competition.
The short film "Life Beneath the Ice" features delicate, illuminated marine creatures living under the sea ice in Antarctica.
A beach walker in the U.K. recently stumbled across a dead compass jellyfish with a juvenile fish trapped inside its bell.
Comb jellies in the Baltic Sea eat their own larvae when the local food supply runs out every summer.
The barrel jellyfish is named for its massive size and silly-looking head, but it's rare for researchers to get up close and personal with one. Two divers in the U.K. recently had the chance.
A weird, brilliant blue creature with feathery-like strands is washing ashore onto the beaches of New Jersey.
Its designers hope the device will make it much easier to collect delicate animals in the ocean without hurting them.
A remotely operated vehicle named Hercules filmed a rarely seen jellyfish that looks like a cross between an alien and a pinkish makeup bag.
On a long-gone seashore in what is now Death Valley, ancient, sticky sand retained impressions of the oldest known example of a jellyfish stranding.
If scientists were to draw an enormous family tree for all of Earth's animals, the oldest branch would belong to the jellyfish, a new study finds.
A dime-sized jellyfish that can deliver severely painful stings has been detected in New Jersey waters for the first time.