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.

The Newport Aquarium opened its newest exhibit on Friday.The exhibit is titled "Jellies: Go with the Flow" and will feature over 100 different jellyfish across six unique species. The exhibit will ...

Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

COLUMN. In February, 24 individuals of this species were released into a 6,000-hectare sanctuary in the heart of Tasmania, in ...