For three summers in a row, researchers working in the Mai Po Nature Reserve noticed something unusual drifting through the brackish shrimp ponds. At first glance, the small, translucent animal looked ...

Jellyfish could be much smarter than scientists previously thought, asserts a new study published in the journal Current Biology. Poisonous Caribbean box jellyfish can learn at a far more complex ...

Some jellyfish species carry venom strong enough to cause severe pain, heart complications, and nervous system disruption.

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.

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

A Hong Kong university team said it has discovered a new species of box jellyfish in the city's Mai Po Nature Reserve, the first discovery of the venomous species in China's waters. Baptist University ...

Shipwrecks could explain the mysterious spike of killer jellyfish invading shorelines, experts say. The box jellyfish population has soared since the 1980s and humans can suffer a deadly cardiac ...

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

HONOLULU (Island News) -- With the high probability of box jellyfish through Wednesday, several O'ahu beaches have sent out advisories for them being spotted along the shorelines. Over the weekend, a ...

Box jellyfish are anticipated from Nov. 9-11. Both box jellyfish and Indo-Pacific man-o-wars can sting, even if washed on the beach and dead. The Guam Department of Agriculture reminds people to be on ...