Jellyfish infestations are troubling tourists and scientists alike. A diver attaches a sensor to a large Echizen jellyfish, Oct. 4, 2005 off the coast of Komatsu in Ishikawa prefecture, Japan. Yomiuri ...

Researchers with the Pennsylvania Department of Environmental Protection (PA DEP) first shared a video of a jellyfish at the end of July, according to WOIO, a CBS affiliate in Cleveland. In the video, ...

Jellyfish have been inhabiting the world's oceans even before dinosaurs walked the earth, and now they're going to make a little real estate at SeaWorld home as well. Jewels of the Sea: The Jellyfish ...

Researchers confirmed Atlantic box jellyfish washed up on North Padre Island and warn beachgoers that even dead-looking jellyfish can still sting.