Russia will retaliate against NATO countries that facilitate long-range missile strikes against Russian territory by Ukraine, ...

Ukraine conducted a strike against a Russian munitions facility in Bryansk and local residents captured videos of the ...

"The right arises to launch a retaliatory strike with weapons of mass destruction," Dmitry Medvedev said on Tuesday.

Vladimir Putin’s war on Ukraine is escalating after months of bloody attrition.Most Read from BloombergParis to Replace ...

Ukraine fired several American-supplied longer-range missiles into Russia, officials said Tuesday, marking the first time ...

Lyons questioned the timing of the decision, saying, “I’m not sure why we didn’t allow this two or three years ago." ...

Russian President Vladimir Putin on Tuesday lowered the threshold for nuclear weapons use, just two days after the U.S.

Hungary’s foreign minister is criticizing U.S. President Joe Biden’s decision to authorize Ukraine to use missiles supplied ...

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

US officials say President Biden has given the green light for Ukraine to use long range missiles supplied by Washington to ...

The strike, against an ammunition depot, comes days after the U.S. authorized the use of ATACMS on Russian territory.

Fox News chief national security correspondent Jennifer Griffin reports on how new NATO countries are responding to Ukraine ...