US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

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

A doomsday ballistic missile has been launched by the U.S., capable of carrying nuclear warheads 20 times more powerful than the atomic bomb on Hiroshima. As the Middle East conflict intensifies now ...

Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. MAJURO, MARSHALL ISLANDS — Lemeyo Abon learned about snow from the movies played on projectors by visiting American sailors. But ...

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 ...

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 ...

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 ...

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