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

Without specialist lighting, underwater photos can be a bit disappointing: murky, flat and blue. It's all because of the way light hits the water particles. But Derya Akkaynak, an ocean engineer ...

This photo of the Atlantic Ocean was taken by Tiago Fioreze in July, 2008, and is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license, which includes freedoms to adapt and ...