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 ...

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

A rare and visually stunning electrical phenomenon lit up the skies over North America earlier this week, as NASA astronaut ...

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.

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

It is estimated that there are between 700,000 and one million creatures living in the ocean. To date, approximately 242,500 ...

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 ...

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

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