Dark blue spots have been seen off the Myrtle Beach area coast on Sunday and have caused some confusion. A Facebook Post on Sunday with more than 1,500 shares and 4,000 comments claimed that one ...

The image of the dark and light blue ocean is authentic and was captured by Kent Smith, who shared the photo to Flickr on July 4, 2010, and tagged Alaska as the photo's location.

Deep-sea researchers have launched a groundbreaking project to investigate "dark oxygen"—a form of oxygen produced in total darkness on the ocean floor. The initiative follows last year's ...