Here are 25 otherworldly images of the unique creatures, sunken wrecks, underwater art, and other surprising things that can be found in the world hidden beneath the waves.

When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...

It means that deep-sea swimmers, scuba divers, even casual adventurers, can now capture images with the Googe Pixel’s Night Sight and Portrait Mode underwater. It's also exciting news ahead of ...

The object, possibly an egg, was found off the coast of Alaska. Australian fisherman 'Trapman Bermagui' reeled in a deep-sea shark with strikingly big eyes and protruding teeth earlier this week.

ColobusYeti/iStock Editorial / Getty Images Plus Giant isopods like those ... just how little we know about the denizens of the deep sea. Increasing our understanding will be vital, they conclude ...