The U.S. and Russia have both recently threatened to resume nuclear testing, alarming the international community and ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United States to resume its testing of nuclear bombs.

President Trump is negotiating a civil nuclear agreement with Saudi Arabia, which could have significant implications for the ...

Renewed testing threats expose how miscommunication and eroding arms-control limits risk triggering a destabilising new ...

It’s been 20 years since I retired from the Air Force and 40 years since I first entered Cheyenne Mountain, America’s nuclear ...

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

The email sent to atom bomb officials by Brandon Williams highlights the managerial challenge faced by the former one-term ...

The Department of Energy's official watchdog probed the impacts of a timecard fraud scandal that rocked the northern Texas ...

Democratic U.S. Senator Edward Markey on Tuesday urged President Donald Trump not to resume explosive nuclear weapons testing ...

South Korean President Lee Jae Myung sought to ease international concerns over the country’s nuclear ambitions on Monday.

New research validates UAP phenomenon using 70-year-old astronomical photos, showing connections between nuclear weapons ...

China's nuclear weapons development has long concerned the U.S., which has warned that the East Asian power could possess ...