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

More than 300 mauve stingers, or palagia noctiluca, were recorded off an Anglesey beach last week, as well as other locations as far south as Pembrokeshire. The delicate, purplish jellyfish, whose ...

While sharks often dominate headlines about ocean dangers, America's coastal waters harbor numerous other creatures capable of delivering painful—and sometimes fatal—encounters to unsuspecting ...

Lion’s mane (Cyanea rosea) are the largest species of jellyfish seen in New Zealand and often wash up on Northland and ...