Armen Sarkisyan, the founder of a separatist battalion fighting in eastern Ukraine, died after an explosion in an apartment ...

One of Moscow's nuclear icebreakers has sustained significant damage after colliding with a cargo ship in the Kara Sea.

according to Russian state news. Ukrainian officials said at least 14 people were killed in Poltava, Ukraine, after a Russian missile hit a residential building in the city, which is nearly 150 ...

Russia’s crucial diesel attack submarines can likely no longer operate in the Mediterranean Sea, after Moscow appears to have ...

President Donald Trump says his administration has already had “very serious” discussions with Russia about its war in ...

In its first direct criticism of the Trump administration, North Korea lashed out at U.S. Secretary of State Marco Rubio for ...

Russia is claiming it has captured another village in its relentless offensive in eastern Ukraine’s Donetsk region and as it ...

Tulsi Gabbard is expected to face tough questions about her past comments about Russia, Syria and a key government ...

Soldiers from North Korea fighting on behalf of Moscow have reportedly pulled back from the frontline in Russia's Kursk region.

U.S. President Donald Trump said on Wednesday he would add new tariffs to his sanctions threat against Russia if the country ...

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 ...