The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the ...

Regional threats and doubts about the reliability of extended deterrence are pushing technically capable non-nuclear states ...

The Soviet Union built the largest nuclear weapon ever detonated, but just before its test, engineers deliberately reduced ...

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

In 1961, the Soviet Union detonated the largest nuclear weapon ever built, a test so powerful it sent shockwaves around the ...

The free talk should be of interest to history buffs, science enthusiasts and those curious about the Hanford site’s legacy.

A three-year-old startup enriches uranium using lasers instead of centrifuges. The US is working fast to once again enrich ...

A buzz that rocked the state all summer sent geologists on a labyrinthine chase—and unearthed new mysteries about how energy ...

The world quietly crossed a historic milestone this week: for the first time since the dawn of the nuclear era, humanity has ...

What would an American strike contemplated by President Donald Trump do to bring about the mullahs’ downfall? And if the ...

He played a key role in ending apartheid South Africa’s secret weapons program in the 1980s by helping the African National ...