What we do know is that the 43 species of box jellyfish cause more deaths and injuries than sharks, stingrays and sea snakes. You'd have better odds of surviving if bitten by a black widow.

A video shared in a Feb. 21, 2025, X post claimed to show a "mesmerizing yet eerie" jellyfish moving across the seafloor. The ...

An adult jellyfish is known as a medusa. Jellyfish belong to a group called Cnidaria, which also includes sea anemones and corals. As animals, they are subject to the cycle of life and death - though ...

The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp, so their struggle to escape wouldn’t damage its delicate tentacles.