A deep-sea discovery turns frightening as a submarine crew finds aggressive sixgill sharks feasting on a whale carcass and attacking the sub.

President Donald Trump is trying to fast track a brand new, highly controversial industry – mining critical minerals in the ...

The Navy's Surveillance Towed Array Sensor System (SURTASS) was built to counter the Soviet submarine threat in deep water, but the Navy now plans to use it against the regional—shallow water ...

Mucky riverbeds. The underside of wind turbines or offshore fish farms. Oil platforms. Reefs and shipwrecks in a harbour.

A U.K. startup wants to be the SpaceX of the deep sea, and hopes to establish a permanent human residence on the ocean floor ...

Chinese scientists' new acoustic technology could help detect submarines with near-perfect accuracy in the Arctic’s Beaufort ...

A SHAPESHIFTING robot submarine has reached Earth's deepest point - 36,000ft underwater - in search of deep-sea "aliens ... it to swim and glide through the water, or crawl along the bed like ...

These vessels operate in coastal waters, diving just deep enough to reach coral reefs, underwater shipwrecks, and marine ecosystems. Unlike military or research submarines, tourist subs prioritize ...

Instead, they rely on an intricate network of systems as well as a submariner's skills to navigate the deep. Even with these systems ... nearby objects seen on the charts, as well as water depth. The ...