With a cube-shaped bell and four tentacles extending from each corner, box jellyfish have a striking look that sets them apart, Jace Tunnell writes.

Astrophysicists from the University of Waterloo have observed a new jellyfish galaxy, the most distant one of its kind ever captured. Jellyfish galaxies are named for the long, tentacle-like streams ...

Quick Take Picking up a live electric wire and swinging it around sounds like a terrible idea. For the blanket octopus, it is ...

Scientist off the coast of Argentina are reeling after a rare giant jellyfish sighting. The underwater footage offers a ...

Doctors have explained why you should never pee on a jellyfish sting as a giant phantom jellyfish is spotted off the coast of ...

Scientists have recorded footage of a large phantom jellyfish off the coast of Argentina during a deep-sea exploration, according to the Schmidt Ocean.

Its presence could make a minuscule fish downright jelly. Scientists were awestruck after discovering a schoolbus-sized phantom jellyfish off the coast of Argentina, as seen in incredible footage shot ...

A rare jellyfish that can grow as long as a school bus was caught on camera during an expedition in Argentina. The Stygiomedusa gigantea, commonly known as the giant phantom jelly, was filmed at 250 ...