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

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

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

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

The Kremlin said U.S. President Donald Trump signaled to Ukraine that it should continue the war after he said he would send ...

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.

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

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

The legislation, which would allow the president to levy a 500% tariff on imports from countries that purchase Russian ...

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 ...