Russia's Project 09851 submarine Khabarovsk, designed to deploy the Poseidon nuclear torpedo, may begin sea trials in 2026.

Navies rely on quiet robotic submarines. Discover the EDA's €4.8M SPHYDA project exploring advanced hydroacoustics and stealth tech for autonomous underwater vehicles (AUVs).

Ukraine's underwater drones have broken through the long-held belief that submarines are unbeatable. On December 15, 2025, they struck a Russian Kilo-class submarine in a well-guarded Black Sea port.

Submarines have been used in warfare for centuries. Undersea warfare has come a long way since the first experimental contraptions took to the seas. The modern nuclear-powered submarine represents a ...

The debate over nuclear-powered submarines is likely to serve as a critical indicator of Japan’s strategic trajectory.

Add Yahoo as a preferred source to see more of our stories on Google. Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack ...

TAIPEI, Jan 30 (Reuters) - Taiwan completed the maiden underwater sea trial for its first domestically developed submarine on ...

Why have just one technological breakthrough when you can have two at the same time? The Royal Navy has installed for the first time a quantum clock into its XV Excalibur robotic submarine for ...

Ukraine is under intense pressure on the battlefield and at the negotiating table, but underwater it appears to be a growing threat to Russia. New satellite imagery shows damage to a Russian naval ...

Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack as a first, potentially signaling a new chapter in drone warfare.

Ukraine said Monday it carried out an underwater drone strike that critically damaged a Russian Kilo-class submarine docked in the port of Novorossiysk, marking the first known attack of its kind. The ...