The mystery of freshwater jellyfish comes alive in the medusa stage at a few lakes around Coal City. ... The Chicago Sun-Times is free to all, thanks to readers like you.

Baltimore residents have been spotting jellyfish in the Inner Harbor in recent weeks, and are taking to social media to question whether there is a sudden population boom — and why. According to ...

Locomotion through the seas can be arduous. Water is more viscous than air, so underwater creatures must overcome strong frictional resistance as they swim. To make things more difficult, liquid wa… ...

The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of their lives on the move during a daily migration that follows the sun’s arc across the sky.

It pays to brush up on jellyfish biology and learn about how to distinguish the harmless varieties from the dangerous ones. Skip to content. All Sections. Subscribe Now. 75°F.

Image of the Day: Jellyfish in the Sun. Thimble jellyfish (Linuche unguiculata) drift with the current in the calm turquoise waters of a lagoon in Ofu, American Samoa. The Scientist. The Scientist.

Jellyfish are among the most abundant organisms in the sea. Recent research suggests there are about 38m tonnes of them just in the mesopelagic, the upper 200 metres of ocean.

Golden jellyfish follow the sun daily across Jellyfish Lake, a saltwater lake on Palau. Photograph by Michael Melford, Nat Geo Image Collection.

While people were soaking up the sun and waves on Daytona Beach, jellyfish decided to join the party. Jellyfish stung 346 people over the Memorial Day weekend.