Fantastic drone footage shows great whites and other shark species swimming in shallow waters close to beaches worldwide. While seeing these sharks is common, did you know that some massive sharks ...

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

Why it's awesome: Earth's oceans are home to many secretive and unusual creatures that humans rarely see — including giant ...

Miles below, a deep-sea fish approached the camera’s bait then, changing its mind, swam backward to escape. The footage turned out to be a first-of-its-kind sighting — but it wasn’t the last.

A research expedition in the Tonga Trench filmed a Pacific sleeper shark, a slow-moving, opportunistic predator rarely seen ...

Scientists discovered the 1-foot-long animal while aboard a submersible several miles deep in the Pacific Ocean. Take a look.