This weird-looking creature has been mistaken for a lot of things, including a whale placenta and a sea monster as well as a garbage bag. And less often, it’s recognized for what it is: a jellyfish!

Imagine you’re swimming in deep water. All of a sudden, there’s a wall of jellyfish in front of you. And you have to keep swimming. This was not a nightmare; it was a real-life scenario for marathon ...

TWO monster sized box jellyfish found by lifeguards at a North Queensland beach would have been capable of killing 120 people, according to an expert. The large marine stingers, each measuring 30cm in ...

RESEARCHERS are stumped over a giant and extremely venomous jellyfish that has no tentacles recently found off WA's coast. THE Keesingia gigas is one of two new species of irukandji jellyfish recently ...

Texas beaches have been invaded by a rare sea creature with giant tentacles that's looking to wipe out local jellyfish along the Gulf Coast. The culprit is called the 'pink meanie' and it's actually ...

Swimmers have been warned to watch out for a potentially dangerous jellyfish after the gigantic creature was found washed up on a UK beach. The lion's mane jellyfish (Cyanea capillata) is one of the ...

Aug. 6 (UPI) --South Korea's maritime ministry has issued an alert as a rising number of Nomura's Jellyfish are being located near the coasts of major cities, including Busan and Ulsan. Nomura's ...