Scientists have found a chain of underwater volcanoes near the Cook Islands, which are situated in the sea between French Polynesia and American Samoa — a beautiful forgotten territory of the United ...

GPS doesn't work when submarines submerge, instead crews rely on the Inertial Navigation System, tracking the submarine in relation to its starting point.

Scientists Create One of the Most Detailed Maps of the Ocean Floor, Find Close to 100,000 Submerged Mountains For decades, ...