Add articles to your saved list and come back to them any time. A casual sailor enjoying a day on Fremantle Harbour could easily mistake the half-submerged nuclear submarine for a navigation ...

This form of warfare became particularly significant during the 20th century, with the advent of advanced submarine technology capable of posing significant threats to naval and commercial vessels.

North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US. State media on Saturday ...

By Choe Sang-Hun Reporting from Seoul North Korea said on Saturday that it was building its first nuclear-powered submarine to enhance its nuclear weapons abilities, and the state news media ...