While certain jellyfish are more common, sometimes a stray shows up. For example, recently lion’s mane jellyfish, which pack ...

One family is raising concerns about a recent trip to Hampton Beach after 20 people were in pain for hours after allegedly being stung by a jellyfish.

This is what might just be the rarest jellyfish in the world, a species only ever seen just once before. It was spotted just ...

The jellyfish invasion has hit the UK already with swarms of the stinging sea creatures spotted off the coast of Devon with ...

And the scorching conditions could last throughout the month.

Jellyfish are well known for their ability to multiply en masse and influence coastal ecosystems. But what is less known is ...

A possible new "jellyfish" galaxy discovered by the James Webb Space Telescope could deepen our understanding of galaxy ...

The purple jellyfish returned to the Greek seas for one more summer and the phenomenon appears intense causing concern to locals, visitors ...

The lion's mane jellyfish sting can be particularly painful and expects have warned against getting close to it ...

Sea anemones may look alien, but scientists just found out they're hiding an ancient body 'blueprint' – one that most animals ...