Vladimir Putin has issued a severe warning to Denmark and the United States, cautioning that Russia will not remain passive ...

General Christopher Donahue, commander of U.S. Army Europe and Africa, said allies could seize Kaliningrad "in a timeframe ...

Russia's nuclear rules say it can use atomic weapons if the country — or one of its allies — is attacked, especially if the ...

Russia attacked cities across Ukraine, hitting energy infrastructure and wounding at least 15 people, authorities said.

Sanctions also target 105 additional so-called shadow fleet vessels, tighten restrictions on Russia's banking and finance ...

Daniel Martindale helped the Kremlin target Ukrainian troops and was then spirited out of eastern Ukraine by Russian special ...

The first explosions sounded in Ukraine’s cities before dawn Thursday as Russian President Vladimir Putin launched his long-anticipated military operation in Ukraine. Here’s what to know.

Trump said the United States would put secondary tariffs on countries that do business with Russia if a peace deal is not ...

A bipartisan bill in Congress would enable President Trump to slap "bone-crushing sanctions" on Russia, says Democratic Sen.

As Russian military forces and Russian-backed separatists continued striking targets across Ukraine on Thursday, Ukrainian President Volodymyr Zelenskyy called on the public to remain calm while ...