This alien-looking sea creature survives by stealing venom, toxins, and even live stinging cells from dangerous prey before storing the stolen weapons inside its own body, allowing it to survive ...

The animal, closely related to jellyfish, is distinguished by its 'balloon-like' float ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

The ocean covers more than 70% of our planet’s surface, yet we’ve explored less than 5% of it. Below the sunlit waves lies an alien world of crushing pressure, eternal darkness, and bone-chilling cold ...

Add Yahoo as a preferred source to see more of our stories on Google. Far below the ocean’s surface, where sunlight can’t reach, some of the most unusual creatures on Earth thrive in complete darkness ...

The jellyfish-type creatures travel the ocean via clear "sails." ...