A teenager, from Lurgan, is the youngest solo swimmer to complete the North Channel swim from Northern Ireland to Scotland.

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

NASA astronaut Nichole Ayers captured an electrifying image of a giant lightning "sprite" shooting up over Mexico and ...

Jellyfish nets will be installed mid-July at four Mar Menor beaches after a rise in jellyfish sightings. The project includes ...

Locals strolling along Popham Beach in Maine were stunned to find what looked like a pulsating, gelatinous mass sprawled on ...

Kevyn Fowler, a retired photojournalist for local station WMTW, captured video of a lion's mane jellyfish washed ashore in ...

The problem with jellyfish is that their stinging cells can remain active even after the animal is dead. Fishermen complain ...

A 5-foot-wide lion's mane jellyfish spotted on Willard Beach in South Portland last weekend prompted waterside safety ...

A distant galaxy 12 billion light-years away shows signs of being a jellyfish galaxy, with trailing streams of gas caused by ...

JWST observations help researchers in spotting a 'jellyfish galaxy' with a 'tentacle' full of released stellar material.

A massive jellyfish with tentacles stretching more than 100 feet washed ashore a Maine beach last weekend — with swimmers and ...