What does President Donald Trump’s announcement mean and how would it affect what’s happening now with nuclear tensions? Here ...

President Donald Trump appears to have ordered a return to nuclear testing after decades of uneasy but effective treaties banning the practice – but will it actually happen?

“Mr. Waltz, this is the United Nations General Assembly,” Cuban Foreign Minister Bruno Rodriguez said, cutting off Waltz. “It ...

Russia said it tested a nuclear-powered cruise missile and torpedo, two of its experimental weapons, in recent days.

North Korean leader Kim Jong Un, whom Trump tried and failed to connect with during his tour in Asia, also tested strategic missiles capable of carrying nuclear weapons this week. North Korea is the ...

The first meeting between Xi and Trump in six years appears to have “lowered the temperature in the trade war between the ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons for the first time since 1992.

Let the new nuclear arms race begin -- again. No one but North Korea is testing nuclear weapons, but a little voice is telling Trump everyone but the U.S. is testing them.

Since the late 1990s, nuclear-weapon states, with the exception of North Korea, have not tested nuclear weapons ...

President Donald Trump has appeared to suggest on social media that the U.S. resume testing nuclear weapons for the first ...

President Donald Trump has ordered testing of American nuclear weapons to start "immediately," due to testing by Russia and ...