National Geographic announced Tuesday that it is officially recognizing the body of water surrounding the Antarctic as the Earth's fifth ocean: the Southern Ocean. The change marks the first time in ...

For decades, humanity has gazed at the stars, dreaming of Mars and the Moon, while a vast and mysterious frontier has remained largely unexplored right here on Earth—the ocean floor. Despite covering ...

For the first time in the more than 100 years that the National Geographic Society has mapped the world’s oceans, it will recognize five of them. The organization announced this week that it will ...