In the hidden corners of the ocean floor lived one of the most powerful hunters of the marine world — the pistol shrimp, a tiny creature no longer than 3–5 cm, but capable of producing bubble bullets ...

She was shocked when eerie bubbles broke the surface of the water ... out and caught a slight picture of the object. 'Then it went underwater and did not emerge back up.' In Annette's photo ...

When a human body goes deep underwater, it absorbs nitrogen ... a condition in which nitrogen bubbles lodge in the joints and sometimes the brain or spinal column, where they may prove fatal.

Have you ever watched a penguin dart through icy blue waters and wondered how these plump, flightless birds move with such ...