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

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

The threat to the Ukrainian capital follows news Tuesday that Ukraine carried out its first strike on Russian territory with ...

Ukraine has fired US-made ATACMS missiles into Russia’s Bryansk region in a major escalation on the 1,000th day of war. Follow for live news updates.

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 ...

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.

Russian President Vladimir Putin formally lowered the threshold for his country's use of nuclear weapons Tuesday, after the U ...

This Fed-based market signal is flashing a warning for the first time in over a decade. Here’s why it matters.

While the Kremlin’s broadening of nuclear posture seems alarming, experts say future escalation could take a different path.

The decision to change Russia's official nuclear doctrine is the Kremlin's answer to a reported decision by the ...