Two American fast-attack submarines, armed with cruise missiles and torpedoes, visited Guam earlier this month.

Satellite imagery spotted a Chinese submarine with its nuclear ballistic missile hatches open while pier-side at a naval base with underground facilities facing the contested South China Sea.

Crew members of a French nuclear submarine who were logging runs on the fitness app Strava have risked leaking their position and patrol schedule to Russia. Strava allows members to share their ...

Rolls-Royce and the UK Ministry of Defense agreed to a $11 billion deal for nuclear submarine reactors, the biggest between ...

In June, pictures appeared online of a Chinese nuclear submarine surfacing in the Taiwan Strait near Taiwan fishermen. The Chinese submarine news was first reported by the Wall Street Journal.

HMS Vanguard arrived at Devonport for maintenance in 2015 and had been due to leave in 2020 Inspectors found a "defect" on a nuclear submarine which had been at Devonport Dockyard in Plymouth for ...

TAIPEI--Taiwan’s defense minister said on Tuesday that they have a "grasp" of the situation after pictures appeared online of a Chinese nuclear submarine surfacing in the sensitive Taiwan Strait ...

(Illustration by Frank Hulley-Jones/The Washington Post; Photos by Tamara Voninski/Fairfax ... its negotiations to acquire top-secret nuclear submarine technology from the United States and ...

WASHINGTON--China's newest nuclear-powered attack submarine sank earlier this year, a senior U.S. defense official said on Thursday, a potential embarrassment for Beijing as it seeks to expand its ...