It seems possible that the Russians may have lent their expertise to the Chinese in terms of helping them develop an advanced ...

And they contain carbon black – the source of the black color you see when looking at the submarine. Carbon black doesn't just excel at stealth; it also enhances the hull's durability ...

The announcement came amid fears that Pyongyang may be receiving crucial military technology from Russia in return for sending troops and weapons for its war against Ukraine.

North Korean state media on Saturday released photographs of national leader Kim Jong Un inspecting progress on a ...

The Soviet submarine K-222, scrapped in 2010, held the record as the fastest nuclear sub. It boasted a hull of titanium, something U.S. subs aren't constructed from and could reach a maximum speed ...

Attack submarines are designed to seek and destroy ... the ship’s control room has been moved down one deck and away from the hull’s curvature, affording it more room and an improved layout ...

Photos of the submarine released by Pyongyang showed only the lower hull of the vessel and 15 rail-based cradle stands. It appeared to be a 6,000-tonne or 7,000-tonne vessel, which could carry ...