Beachgoers are urged to avoid touching the cube-shape jellies.

In a jaw-dropping twist straight out of a sci-fi blockbuster, scientists have stumbled upon a creature so bizarre it defies ...

Add Yahoo as a preferred source to see more of our stories on Google. Close up of a irukandji, a poisonous and dangerous box jellyfish from Ningaloo Reef, Western ...

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

Careful! These sea creatures can still sting you even when they're dead.

While jellyfish stings are seldom life-threatening, they can be a very unpleasant experience. Stings can cause pain, swelling, and in rare cases, serious reactions like breathing trouble. Treat stings ...