Japan will export used navy destroyers to the Philippines to strengthen its deterrence against China's maritime expansion, ...

Deep-sea mining equipment being deployed by The Metals Company during a test expedition. The company hopes to extract nodules of critical minerals from the seabed.

The deep sea refers to the part of the ocean below 200 meters (656 ft.), at which light begins to disappear. Despite making up more than 90% of the Earth’s marine environment, ...