A slowdown exposes the limits of the country’s wartime economy and suggests sanctions may finally be taking a toll.

Russian aerial and ground assaults on Ukrainian cities are mounting, as the Trump administration is withholding some weapons ...

Putin "can keep banking territorial gains while Mr. Trump keeps begging the dictator, pretty please, for a truce." The post ...

Holding the Russians off has become a game of whack-a-mole for outnumbered Ukrainian troops, with Russia frequently opening ...

He spoke to the Russian president about the war in Ukraine but made no headway on halting the fighting.

A declassified CIA report weakened an earlier determination that Russia’s Vladimir Putin had “aspired” to help elect Donald ...

The trio helped Iran build its nuclear program. But the U.S.’s entry into the conflict has raised the level of risk ...

In late 1825, a group of reform-minded Russian military officers believed the time was ripe to end the rule of the czars.

Tehran was promised military aid before Israel’s airstrikes, but it got little more than rhetoric from Moscow.

Many NATO members lag far behind the U.S. in defense-spending levels and military capabilities. Now they are trying to fix ...

Ukraine has resisted drafting young men, anxious to protect the country’s long-term future. That means there is a lot of gray ...

The Power of Siberia 2 project has been stalled for years, but Beijing is growing concerned about the reliability of oil and ...