In an interview last week, President Trump called Kim Jong Un a "smart guy" and said he would reach out to the North Korean ...

North Korean leader Kim Jong Un has inspected a facility that produces nuclear material and called for bolstering the country ...

The United States is estimated to have spent more than $400 billion on the kinds of antimissile goals that the president now ...

Such defense systems are extremely costly” with “their effectiveness often being questionable,” one expert said.

If President Donald Trump’s personnel moves are any tell, he may come out of the gate toward Iran with a tone that is more ...

Instead, Trump’s order demands the deployment of “space-based interceptors” — a web of satellites, some equipped with lasers. It then calls for the development of another layer of lower-altitude ...

When it comes to protecting U.S. territory from missiles fired by such nuclear-powered countries as Russia, China, and North ...

North Korean leader Kim Jong Un called for "indefinitely" strengthening his regime's nuclear weapons capacity, state media ...

The jury is still out on what Donald Trump’s second term will mean for nuclear power, but the potential implications are ...

President Donald Trump ordered the construction of a new missile defense system covering the United States, the latest move ...