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 ...

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 ...

This story appears in the October 2018 issue of National Geographic magazine. Moon jellies, which are found in shallow bays around the world, look like small, not entirely friendly ghosts. They have ...

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

Chrysaora hysoscella, also called the compass jellyfish, is common in the waters of the Atlantic and the Mediterranean. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...