The nuclear-powered hunter-killer submarine surfaced close to the Yantar to let the Russian ship know it was being watched.

British Defence Secretary John Healey said the Russian ship is mapping the UK’s critical underwater infrastructure ...

Donald Trump has offered a rare criticism of Russian president Vladimir Putin as he expressed hopes for a deal to end the war ...

Russian forces are advancing in the Kharkiv region to the north of the town of Kupiansk, one of the main places Ukraine recaptured in its 2022 offensive.

The war in Ukraine has transformed the global order. Russia’s invasion could surely create global chaos in the weeks and months to come. Experts are also watching the rise of new weapons platforms ...

LONDON — The Royal Navy monitored a Russian spy ship after it entered U.K. waters, British Defense Secretary John Healey said Wednesday. In a statement to British lawmakers, Healey confirmed the ...

Pete Hegseth seems destined to become America's 29th secretary of defense. Despite the hyperbole and exaggerations of Hegseth ...

Where, when, and how might offensive cyber operations impact the outcomes of war? For over 40 years, this debate often ...

The former vice president’s first acts as a nonelected official for the first time in decades could be a sign of what comes ...

Donald Trump, who overcame impeachments, indictments and assassination attempts, was sworn in Monday as the 47th U.S.

As RAF welcomes the first F-15E Strike Eagle with EPAWSS, the US is also ready to face modern threats from adversaries like ...