A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

North Korea conducted a test of its "state of the art", nuclear-capable multiple rocket launcher system (MRLS), state media ...

North Korea tested nuclear-capable rocket launchers, state media reported on Sunday, a day after Seoul detected the launch of ...

The United States military has tested its Minuteman lll nuclear ballistic missile at Vandenberg Space Force Base in ...

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

The Mirror can reveal proof that the Atomic Weapons Establishment and the Ministry of Defence worked together in the longest ...

As speculation mounts that Kim Jong-un and Trump could meet this month, analysts say Pyongyang will continue to see nuclear weapons as a matter of survival ...

Donald Trump’s command for the United States to resume nuclear weapons testing will not include explosive tests, for now, according to Energy Secretary Chris Wright. Wright, whose agency oversees the ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. China denied the allegations, but experts are worried that ...

President Donald Trump announced on Thursday, “Because of other countries testing programs, I have instructed the Department of War to start testing our nuclear weapons on an equal basis. That process ...