Newport Aquarium is set to unveil a major expansion with its new exhibit, "Jellies: Go with the Flow," which aims to immerse ...

Unfortunately, moon jellies do sting, Tunnel confirmed. "But they would be a 1 out of 10 on a scale of pain which is not that ...

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.

In recognition of the high standard of entries, 25 extra images were selected by the Natural History Museum and put to the public vote. Moon jellyfish swarm in the cool autumnal waters of a fjord ...