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

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

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

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

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.

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

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

Russia on Sunday fired the biggest number of drones — 472 — at Ukraine since its full-scale invasion in 2022, Ukraine’s air force said, in an apparent effort to overwhelm air defenses.

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 ...

Now, with Putin taking military action against Ukraine, Biden and U.S. allies may consider imposing one of the harshest financial penalties against Russia: kicking it out of the SWIFT banking system.