Humans aren't the only species that like to swim in warm, near-shore waters. Jellyfish are back at the Delaware beaches, ready to ruin a good dip with their stinging tentacles. Sea and bay nettles and ...

Marine scientists document new records of venomous box jellyfish in the Philippines, aiding biodiversity and venom research.

They identified two states: a “normal” one and a quiet state. When they were in this quiet state, the jellyfish were much ...

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 ...

Deep within the sea lies another world entirely. It’s a world of complete darkness, where light is absorbed thousands of feet ...

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 team of students at Tohoku University in northeastern Japan discovered a new species purely by happenstance.