Japan's undersea warfare strengths, from quiet signatures to chokepoint control, could disrupt China's naval plans near ...

New drilling results from the South Atlantic have uncovered ancient lava rubble that stores far more CO2 than expected, revealing an overlooked mechanism in Earth’s long-term carbon cycle. Sixty-milli ...

Zealandia, considered a candidate for the Earth’s eighth continent, was mostly lost to the sea. Geologists say they’ve now ...

Last month, divers off the coast of South Korea retrieved 87 bowls and cups from the dark, swirling waters. The objects were ...

Hidden beneath the surface, a pristine underwater cave can preserve traces of vanished worlds with a clarity that dry land ...

This photo in the Library of Congress shows the “remains of the wooden steamboat Celt wrecked along Bowman’s Jetty,” in Charleston Harbor, according to the SC Marine Researcher Division. The Celt is ...