A tiny freshwater jellyfish native to China has been spotted in Oklahoma waters. The "peach blossom" jelly has been seen in the U.S. for a century.

Beachgoers are spotting rare pink jellyfish along the Texas coast. These “pink meanies” can grow massive, sting after death, ...

A rare freshwater jellyfish, Craspedacusta Sowerbii, was sighted at Presque Isle State Park. The jellyfish, about the size of a penny, is harmless to humans. Sightings are rare as they typically ...

With a baking hot summer just starting, millions of Americans have already begun flooding the nation’s beaches. They’ll face traffic jams, algae blooms, sunburn and a rising threat – painful jellyfish ...

What might look like a simple swarm of jellyfish provides food, shelter and opportunity for a variety of creatures.

Pink meanie jellyfish can look like cotton candy in the water and have a mild sting, said Jace Tunnell of the Harte Research ...

Someone should tell this jelly that fish are friends, not food. An underwater photographer who was free-diving off of Byron Bay, Australia managed to capture a truly wild scene: A fish had become ...

Isolated coastal communities in Western Australia’s Pilbara have been put on alert after a mass die-off inundated beaches with rotting red jellyfish and toxic marine life.

A moon jellyfish bloom in the Gulf of America is driving record numbers of pink meanie jellyfish to Texas shores, where they feed aggressively on their prey.