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

While certain jellyfish are more common, sometimes a stray shows up. For example, recently lion’s mane jellyfish, which pack ...

Newly Discovered 'Jellyfish Galaxy' Stunned Astronomers and Could Reveal a Chapter of Galactic Evolution Data from the James ...

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 ...

Oscar Black, 15, has become the youngest person to complete the North Channel swim from Northern Ireland to Scotland.

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

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

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 ...

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

The jellyfish's bright, trailing tentacles look like a lion’s mane and are easy to spot because of their orange color. They can be as large as 6 to 12 inches across at the bell, or the rounded ...