Divers often come across weird, unexpected things. It’s not always a good idea to investigate up close. But when John Roney saw a tentacle just above him, he had to see what was happening. “Several ...

World Jellyfish Day is celebrated annually on November 3 to raise awareness about the importance of jellyfish in marine ...

Scientists in Japan have discovered Physalia mikazuki, a previously unknown species of Portuguese man-of-war, in northern waters for the first time. DNA and anatomical analysis confirmed it as ...

Early in June the St. Johns Riverkeeper reported someone seeing “jellyfish” in the St. Johns River near Switzerland Point and sent a picture to support the observation. The “jellyfish” was actually a ...

Jellyfish Day honors one of Earth’s oldest and most fascinating creatures, glowing reminders of resilience beneath the waves.

In a towering aquarium in a darkened laboratory, moon jellyfish (Aurelia aurita) hover as if floating in space. The glow of neon lights illuminates their translucent, bell-shaped bodies as they expand ...