North Korean leader Kim Jong Un has said an elevated U.S. security partnership with South Korea and Japan poses a grave threat to his country and vowed to further bolster his nuclear weapons program.

Vladimir Putin has dismissed the head of Roscosmos in a move which follows a series of setbacks for Russia's space agency during his time in charge. After serving for two-and-half years, Yury Borisov ...

U.S. Marine and civilian speakers praised President Ronald Reagan for his commitment to peace through strength Thursday ...

After warning U.S. officials of its intention to launch, Russia lobbed a mysterious new ballistic missile—initially mistaken ...

Admiral Nakhimov will be returned to service so that Moscow can lay claim to operating the largest non-aircraft carrier ...

MOSCOW, February 6. /TASS/. Russia advances to ratify its agreement on security guarantees with Belarus; US President Trump’s plan to take over Gaza faces Arab criticism. Meanwhile, Washington is ...

During the Cold War, the term strategic forces referred to nuclear weapons deployed on strategic delivery systems: ...

Ukraine brings back 150 POWs from Russian captivity in prisoner swap Ukraine strikes Russian oil facility, Buk air defense ...

President Trump’s blueprints to build a space-based missile defense shield could help him push for cuts in atomic weapons arsenals with Russia and other nuclear powers.

The only way to eliminate the threat of nuclear-armed missiles is to negotiate their elimination—not pretend some magic ...

There’s nothing wrong with resetting bad relations between rivals, so long as any reset is grounded in geopolitical reality.

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 ...