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

The last agreement constraining US and Russian nuclear weapons expires in two months, and Putin has proposed to extend it. But it takes two to tango.

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

This week, the Lockheed Martin Corporation received a $453.9 million contract modification for the Mk21A nuclear weapons program. This modification raises the cumulative contract value from around ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

Earlier this week, Russian President Vladimir Putin revealed that his government has finalized testing of a new nuclear weapon and a nuclear-powered vehicle he claims would give his country a major ...

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

President Donald Trump has ordered preparations to resume U.S. nuclear weapons testing, citing alleged Russian and Chinese violations. Moscow and Beijing deny conducting explosive nuclear tests but ...

Energy Secretary Chris Wright said the testing ordered up in a surprise announcement by President Trump last week would focus on “the other parts” of nuclear weaponry. By Zolan Kanno-Youngs The ...

Trump’s command risks a global arms race while the Doomsday clock ticks closer than ever to midnight, experts say ...

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