Donald Trump announces United States will resume nuclear weapons testing after 33 years to match Russia and China programs, ...

Vice Adm. Richard Correll said that Trump's announcement does not necessarily mean detonating a test weapon — noting that neither China nor Russia has conducted a nuclear explosive test in recent ...

Trump ordered the U.S. military to resume nuclear weapons testing. Why were they stopped and why restart now? What to know.

President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first time in three decades, ...

President Donald Trump seemed to love his whirlwind Asia trip. He danced on the tarmac in Malaysia, and was given a gold ...

Donald Trump was in a buoyant mood as he chatted with journalists on Air Force One at the start of the long journey home from ...

The United States will share closely held technology to allow South Korea to build a nuclear-powered submarine, President Donald Trump said on social media Thursday after meeti ...

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 ...

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

President Trump lamented not being able to speak with Mr. Kim, the North Korean leader, but vowed to end the decades of ...