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

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

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

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

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

Beach safety officials warn that dangerous marine life - specifically early-arriving jellyfish - are creating painful ...

A Maine beachgoer recorded this video of a lion's mane jellyfish, one of the largest known jellyfish species.

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

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

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