Historical accounts of vast ocean waters glowing in the dark go back hundreds of years, and researchers are still trying to ...

Hordes of bright blue, jellyfish-like sea creatures are washing up on beaches across California. As of Monday, thousands of the critters — called velella velella or by-the-wind sailors — have been ...

US aircraft carrier is operating in Mideast waters ahead of the next round of talks between Iran and the United States over Tehran’s rapidly advancing nuclear program, satellite ...