When he takes office in January, President-elect Donald Trump will inherit a raft of national security challenges, including ...

A president given to simplistic plans and impulses must now deal with a whole new level of nuclear complexity for which ...

The United States must reestablish a credible nuclear deterrence in space by building on the same foundation of deterrence ...

The award also is a timely reminder the nuclear threat is still very real. Because nuclear weapons haven’t been used again in ...

Russia will keep sending nuclear warning signals to its enemies in the West until they get the message, an influential ...

Ukraine regrets the deal under which it gave up its own nuclear weapons in a pact with President Clinton.

Iran is capable of making nuclear weapons and will change its doctrine to allow their production if it faces an “existential ...

The North's newly minted Institute of Enemy State Studies has taken South Korea's president to task over alleged provocations ...

In response, Ukraine has begun launching up to hundreds of drones daily at carefully selected Russian targets. Ukraine has ...

The award is also a timely reminder that the nuclear threat is still very real. Because nuclear weapons haven’t been used ...

The UN Security Council met on Monday to confront North Korea on its new ICBM launch, to which Pyongyang said it would ...

South Korea is ramping up its nuclear defenses in response to the security threat posed by North Korea's deepening alliance ...