THOUGHT TO BE more than 120 metres long, this giant siphonophore – a type of marine organism related to jellyfish and corals – was spotted off the coast of Western Australia a couple of weeks ago by a ...

The big, blue jellyfish washing up on Florida beaches this week actually aren't jellyfish at all. Here's what to know about ...

Portuguese man o' war, often mistaken for jellyfish, have been sighted on Florida beaches. While rarely fatal to humans, the sting can be intense and should be treated with hot compresses, not ...

If you’ve spotted a big, blue jellyfish on your beach walk recently, it likely wasn’t a jellyfish at all. Beachgoers around north Florida reported seeing Portuguese men o’ war washed up on ...