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 ...

Scientists in Spain have unlocked the genetic code of the "immortal jellyfish" -- a creature capable of repeatedly reverting into a juvenile state -- in hopes of unearthing the secret to their unique ...

Although originally from Yangtze, China, the peach blossom jellyfish can now be found on every continent in the world except for Antarctica. Researchers in one country, however, are documenting ...