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.

Officers and crew aboard a French nuclear submarine have accidentally blown their cover as well as their location and schedule by recording their runs and jogs on a fitness app.

A shocking new satellite image has emerged showing one horrifying detail on a Chinese nuclear submarine docked at a naval base. The vessel, identified as a Type 094 nuclear-powered ballistic ...

Syria's port city of Tartus gave Russia a naval base in the Mediterranean for more than five decades but the downfall of ...

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 ...

Officers and crew aboard a French nuclear submarine have accidentally blown their cover as well as their location and schedule by recording their runs and jogs on a fitness app. The nuclear ...

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 ...

A Royal Navy nuclear submarine suffered a "concerning" malfunction while diving, the BBC has been told. The incident on board the unnamed Vanguard class submarine, which carries the UK's trident ...

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.

(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 ...