A recent exploration off Argentina’s coast found a rarely seen jellyfish the size of a school bus. The giant phantom jellyfish is rarely observed because it is a deep-sea species, which makes this ...

A new species of jellyfish has been discovered deep below the waves, and it may possess venoms that we have never seen before. The new species, named Santjordia pagesi, was discovered at a depth of ...

A jellyfish study initiated by the Wayamba University of Sri Lanka has shed light on this ignored marine species that’s rarely been studied since 1905 and contributed to increasing the possible number ...

Beachgoers are urged to avoid touching the cube-shape jellies.

A freshwater jellyfish originally from Asia is roughly the size of a penny and is a rare sight in the Great Lakes. Most of the time, they're stuck to the bottom of the lake as polyps, according to the ...