U.S. is ready to step up efforts to deter a North Korean attack on South Korea.

The president of Belarus says Russian strategic nuclear weapons might be deployed in his country along with part of Russ...

North Korean leader Kim Jong Un is stressing his country will never abandon the nuclear weapons and missiles it needs to...

Kim warns he’s ready to use his nuclear weapons in potential military conflicts.

U.N. experts say North Korea has continued to develop its nuclear and ballistic missile programs including its capabilit...

In a reversal of Trump administration policy, the State Department has disclosed the number of nuclear weapons in the U....

Democrat Joe Biden has left little doubt that if elected he would try to scale back President Donald Trump’s buildup in...