An underwater videographer has just published mesmerizing footage of the world’s largest, longest, and heaviest known ...

The ocean is home to many amazing creatures, and jellyfish are some of the most interesting. They look soft, flowing, and ...

The box jellyfish is the most dangerous jellyfish in the world. Learn where it's found, why its venom is so deadly, and how ...

It is, by some estimates, the heaviest jellyfish on Earth, with a maximum body mass exceeding one metric ton—about as much as ...

The ocean is home to some of the most awe-inspiring creatures on Earth, many of which dwarf anything found on land. From massive whales to elusive deep-sea dwellers, these giants of the sea ...

"We still haven't found them out in the wild," Tone Falkenhaug tells Science Norway. She is a researcher at the Institute of Marine Research and an expert on jellyfish. If you’ve ever spent time by ...

Texas is experiencing a superbloom of a very different variety, as smacks of “pink meanie” jellyfish have been spotted along its coastline. These vibrantly colored and predatory jellyfish are ...

Some jellyfish stings can be fatal, so it's important that you know how to avoid dangerous jellyfish and treat minor stings.

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.

At Delaware's Lewes Beach, Beach Patrol Captain Strohm Edwards has seen more jellyfish this year than any other and stings have tripled. Along the Nantucket Sound shoreline, researchers believe ...