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

Dive into the world of the ocean’s most feared creatures as we reveal the five most dangerous jellyfish on Earth from the nearly invisible Irukandji to the infamous box jellyfish. Learn what makes ...

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

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

Sprites “are transient luminous events” that “are triggered by intense electrical activity in the thunderstorms,” astronaut Nichole Ayers said ...

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

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

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

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

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

Unusually high numbers of jellyfish are appearing along Maine’s shoreline, prompting caution from local communities and ...

Using the James Webb Space Telescope (JWST), astronomers from Canada and Switzerland have discovered a new galaxy, which ...