Kremlin spokesperson Dmitry Peskov said Tuesday that Russia's new nuclear weapons doctrine means Ukraine's use of Western rockets "can prompt a nuclear response." ...

The commander of U.S. Indo-Pacific Command said that the U.S. has "not yet" seen North Korea's atmospheric reentry capability ...

Years of high-profile intercontinental ballistic missile tests by North Korea have fallen short of demonstrating that ...

President Vladimir Putin on Tuesday formally lowered the threshold for Russia’s use of its nuclear weapons, a move that ...

This new version of the document gives Putin the option to use Moscow’s atomic arsenal in response to a conventional attack ...

In a major policy shift, the Biden administration has authorized Ukraine to use the ballistic missiles within Russia.

Unlike China, Russia, and North Korea, which recognize that nuclear weapons serve as both a fundamental guarantee of ...

Following Vladimir Putin's approval of new rules governing the use of nuclear weapons, the world has rarely been closer to World War III. So what might happen if he nuked London?

The Kremlin's announcement Tuesday would mark Kyiv's first use of the weapons inside Russia in 1,000 days of war.

The Biden administration has given Kyiv permission to use U.S.-supplied missiles in Russian territory; in response, the ...