Meet the giant phantom jellyfish. It's over a metre (3ft) wide and has four ribbony arms that trail behind for up to 10 ...

Eerie yet fascinating footage shows the 10-metre-long sea creature gently pulsing and swirling its way through the dark ...

When you think of stealthy marine predators, a creature commonly called the sea walnut probably doesn't come to mind. However, new research shows the gelatinous blob hunts as effectively as a small, ...

Pink meanies might sound like the name of a high school girl gang from the ’50s, but they are actually a recently discovered type of jellyfish. And lately, experts are urging Gulf Coast beachgoers ...