A creature resembling a jellyfish was spotted in a pond at Presque Isle State Park. Said creature is called a Craspedacusta ...

Jellyfish sting for two reasons, says researcher Tone Falkenhaug. First, they sting to catch food. "Jellyfish don't have ...

A rare freshwater jellyfish was captured on camera at Lake Erie. The Pennsylvania Department of Environmental Protection ...

There are so many different types of jellyfish out there, boasting different sizes, shapes, colors, and more. The immortal ...

Researchers have mapped the distribution of a jellyfish subspecies and found that creatures which lack a distinctive "knob" ...

Research on alien-like deep-sea jellyfish has hinted at a previously unknown barrier in the North Atlantic Ocean.