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 ...

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.

Swarms of jellyfish were spotted at the foot of a cliff off a popular beauty spot in Wrexham, Devon as temperatures continue ...

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

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

Visitors have been warned to look out for but not touch giant jellyfish which have been seen on a beach along the coast of ...

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

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