"Rhetoric sometimes turns into action in unpredictable ways," a former senior U.S. arms control official told Newsweek.

Russia is likely preparing to test its nuclear-armed, nuclear-powered Burevestnik missile this week, based on satellite ...

A closed-door meeting between the U.S. president and Russia’s Vladimir Putin in Alaska on Friday will be a test of Trump’s much-vaunted deal-making, and of his personal relationship with a man he once ...

It is often forgotten that President Trump, who grew up during the Cold War, shows a keen interest in nuclear defense and ...

President Trump once appeared to push for nuclear disarmament for the U.S. yet went on to renege on that promise in dealings ...

SEOUL, South Korea (AP) — South Korean President Lee Jae Myung will meet Japanese Prime Minister Shigeru Ishiba in Tokyo next ...

The U.S. Department of Energy said on Tuesday it has made an initial selection of 11 projects for a pilot program seeking to ...

V ladimir Putin is coming to America, despite the international warrant for the Russian president’s arrest, despite his years ...

South Korea's new President Lee Jae Myung will travel to Washington later this month to meet with U.S. President Donald Trump ...

Max Abrahms says he is not surprised by the nuclear threats made by the Pakistan Army Chief Asim Munir against India ...

EU leaders said Ukraine must be at an upcoming U.S.-Russia summit on ending the war and urged President Trump not to bargain ...