The dramatic clash in the Oval Office between U.S. President Donald Trump and Ukrainian President Volodymyr Zelenskyy was a ...

China entered the fusion race in the early 2000s, about 50 years after the U.S., when it joined more than 30 nations to collaborate on the International Thermonuclear Experimental Reactor fusion ...

Talk of replacing the American nuclear umbrella over Europe with the small British and French nuclear armories is in the air, ...

Everyone should understand that if the liberal order falls, the nonproliferation regime would fall with it. And the powers ...

Trump has the leverage to demand disarmament, not merely arms control.

China and Russia are both permanent members of the U.N. Security Council, along with France and Britain, that took part in ...

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of ...

Last week's accidental shelling of a South Korean village occurred less than 20 miles from the border of the nuclear-armed North.

“W E WOULD BE safer if we had our own nuclear arsenal,” Donald Tusk, Poland’s prime minister, told his country’s parliament ...

In his Atomic series, artist James Stanford showcases "the spectacle and the horror" of growing up near a nuclear bomb ...

In the 80 years since the U.S. attacks on Japan, no other country has used a nuclear weapon in war. That remarkable record could soon be broken and all progress lost.