Nuclear submarines carry out multiple types of missions, but no matter the mission, it's vital that they remain hidden in the ocean's depths.

The Mediterranean has many of the same infrastructure vulnerabilities as the Baltic Sea, which has seen suspected sabotage ...

The race has intensified as the sea ice has been declining. It's one of the harshest environments on Earth. But the Arctic is also of growing strategic importance - where the U.S. is in a race with ...

NAPLES, Italy — NATO allies are strengthening their anti-submarine capabilities this week in the Baltic Sea, a region whose infrastructure network makes it susceptible to Russian mischief threatening ...

NEW DELHI: In a display of capability and teamwork with international maritime forces, the Indian Navy carried out its first mating exercise with foreign submarines away from Indian shores. The Navy ...

China’s and Russia’s newly intensified naval partnership could embolden China in the South China Sea, where submarine activity is already intense. Russia and China are natural historical rivals. The ...