Sergey Efremov, deputy governor of Russia’s Primorsky Krai, was killed while returning to Russian lines in Kursk Oblast.

The arrival of the first top Russian diplomat in Damascus since Bashar al-Assad’s fall kicks off negotiations over the fate ...

Keith Kellogg, Trump's special envoy for Ukraine and Russia, said in an interview that Ukrainian presidential and parliamentary elections, suspended during the war with Russia, "need to be done" ...

Ukrainian President Volodymyr Zelenskyy said Saturday that excluding his country from talks between the U.S. and Russia about ...

Trump and his envoy for Ukraine and Russia, Keith Kellogg, have said they are working on a plan to broker a deal to end the ...

A Kremlin propagandist has said that Russia should try to force Donald Trump into making decisions that benefit Moscow ...

If the Kremlin is to be believed, the Iskander-1000 missile can radically maneuver at high speeds during its terminal phase, all while launching decoys that will likely stymie any air defense system ...

It is time to examine not only the effects and effectiveness of North Korean troops in combat, but the wider implications for ...

US President Donald Trump’s calls to resolve the Russo-Ukrainian war do not evoke urgency or a rush to compromise. Instead, ...

NICOLE GRAJEWSKI is a Fellow in the Nuclear Policy Program at the Carnegie Endowment for International Peace and an Associate with the Project on Managing the Atom at the Harvard Kennedy School. She ...

Across Russian-occupied Ukraine, Kremlin troops have shuttered places of worship since the first invasion began in 2014.