A human-occupied vehicle (HOV) probing the deep Pacific Ocean has cast a light upon a massive undersea 'metropolis'.

Deep in Earth's past, an icy landscape became a seascape as the ice melted and the oceans rose off what is now the northeastern United States. Nearly 50 years ago, a U.S. government ship searching for ...

Scientists have made an astonishing discovery that could reshape our future access to freshwater. Beneath the salty waters of the Atlantic Ocean, researchers have uncovered vast, untapped aquifers ...