Researchers confirmed what was already known: jellyfish eat bigger prey as they grow, which means they also occupy a higher position in the food web as they grow. They also found that some of the ...

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

In the dark and cold of the months-long polar night, food resources are limited. Some groups of marine organisms in the polar regions overcome this challenge by going into a metabolic resting state in ...

This understanding of jellyfish has come under scrutiny in recent years as marine biologists have used new tools to figure out what eats what in the sea. Prey leave a chemical signature in the ...

Every year, World Jellyfish Day celebrates one of the ocean’s most enigmatic creatures. Graceful yet dangerous, simple yet ...

WASHINGTON -- The first deep sea red-light district -- glowing appendages on a newly discovered jellyfish relative -- appear to flash their come-hither message to lure prey. Jellyfish and other types ...

The Arctic is changing rapidly due to climate change. It is not only affected by increasing surface temperatures, but also by warm water from the Atlantic, which is flowing in more and more – changing ...

Scientists have captured video of a terrifying species of cannibal jellyfish that they call a "gelatinous predator." The intriguing creature has never been seen before, but researchers found it ...

A Japanese teenager discovers a new species of jellyfish in a bay, Orchistoma integrale, extending the habitat of this genus.

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 ...

Irukandji jellyfish, which are around the same size as a dime, have a venom-filled sting that can trigger an extremely painful and occasionally deadly syndrome. When you purchase through links on our ...

Drifting along in ocean currents, jellyfish can be both predator and prey. They eat almost anything they can capture, and follow the typical oceanic pattern of large eats small. Now a recent ...