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

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

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

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

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

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

As temperatures soar and New Englanders hit the beach, officials are warning swimmers to watch out for massive jellyfish that ...

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

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

Scientists are unraveling the mysteries of the ocean’s squishiest creatures—including one jelly that might be the oldest ...