Box jellyfish glide through tropical shallows with an almost delicate grace, yet their venom ranks among the most lethal on ...

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 ...

Irukandji jellyfish deliver one of the most painful possible stings. Learn what the experts say about the dreaded Irukandji ...

In Hawaii, the most common jellyfish is the box jellyfish, which can be incredibly dangerous, but the deadly species don't call Hawaii home, luckily. One thing you need to know about box jellyfish ...

A dangerous species of jellyfish usually found in the Pacific Ocean may have been found at the Jersey Shore. Scientists believe that the dime-sized jellyfish recently netted by a fisherman near the ...

A penny-sized jellyfish has been spotted in the western part of Lake Erie as well as in western Pennsylvania. The stinging cells of these freshwater jellyfish can't pierce human skin. The non-native ...