In a towering aquarium in a darkened laboratory, moon jellyfish (Aurelia aurita) hover as if floating in space. The glow of neon lights illuminates their translucent, bell-shaped bodies as they expand ...

SeaWorld San Diego’s newest attraction is an aquarium full of jellyfish species that has guests of all ages feeling like they’ve stepped into an underwater lava lamp with these otherworldly creatures.

A jellyfish found in the Mariana Trench by the NOAA's remote-controlled underwater vehicle looks like something out of science fiction. Michelle Starr is CNET's science editor, and she hopes to get ...