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

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

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

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

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

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

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

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

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 ...

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

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