From a ballet of white-tip reef sharks to a cardinal fish releasing freshly hatched babies from its mouth, these underwater ...

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

The underwater world is full of mysterious and fascinating places that are only open to those who dare to dive into the depths of the oceans. Diving underwater, divers can see incredible coral reefs, ...

The Largest Living Structure on Earth Imagine something so vast that it's visible even from space—this is the Great Barrier ...

Michael Patrick O'Neill has captured amazing photos of leatherback turtles, hammerhead sharks, mating seahorses, many living off Palm Beach County's shores.