The warning arrived amid fears that the war could escalate, a day after Ukraine's military first launched U.S.-made ...

Russian President Vladimir Putin has approved changes formally lowering the threshold at which his country can consider a ...

The Kremlin has repeatedly warned the West against allowing Ukraine to use its long-range weapons to attack Russia directly.

Ukrainian forces are now being supplied with American anti-personnel mines, a second escalation by President Biden before leaving office.

Nuclear powers should show more restraint, the Chinese government said on Wednesday in response to President Vladimir Putin ...

WASHINTON, November 20. /TASS/. The United States sees no preconditions for Russia to use nuclear weapons in the Ukrainian conflict, AP reported, citing American officials. According to the news ...

The United States said Wednesday that its embassy in Ukrainian capital Kyiv closed after receiving "specific information of a ...

According to the latest version of the document, the core principle is that nuclear weapons are a last resort to ensure the protection of the country’s sovereignty ...

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 Biden administration is reportedly trying to help Kyiv as much as possible before Donald Trump takes office.