NATO has expanded its footprint in the North Atlantic, partially in response to an increased Russian submarine presence.

The internet exploded with dramatic headlines claiming a Russian submarine surfaced dangerously close to HMS Queen Elizabeth, Britain’s flagship aircraft carrier. Videos with millions of views ...

A Russian submarine was deployed alongside a spy ship to map critical undersea infrastructure around Britain, it has emerged. An anti-submarine Merlin Mk2 helicopter could be seen from the photo ...

Kazan launches Oniks cruise missile from underwater, hitting a simulated target 300 km away, underscoring Moscow’s naval modernization efforts.

Defence analysts told MPs that the proposed Atlantic Bastion surveillance network will only be effective if the Royal Navy has enough ships to pursue detected submarines.

Submarines have quietly become some of the most powerful weapons in modern naval warfare.