In the vast depths of our oceans swims a tiny creature that possesses what humans have sought for millennia: immortality. Meet Turritopsis dohrnii, commonly known as the immortal jellyfish—a creature ...

The secret to eternal life has been swimming in Earth's oceans for millions of years. The 'immortal jellyfish' is so named because it can, theoretically, live forever. For all we know, some of these ...

Jellyfish are carnivores, so their diet mainly consists of other animals. This includes zooplankton, small crustaceans, small fish and other jellyfish, according to Oceana, an ocean conservation ...