Nuclear bombs do not rely on size, they rely on physics. Here is how chain reactions and hydrogen bombs unleash power on a ...

CIA's 1965 nuclear generator, packed with Nagasaki-level plutonium, lost forever on India's Nanda Devi peak. Avalanche buried it—Ganges at risk? US silent 60 yrs on.

The two lawmakers questioned the necessity of the nuclear weapons agency's plutonium pit strategy in a letter exclusively ...

A covert CIA operation in 1965 left a plutonium-powered surveillance device lost on India's Nanda Devi, sparking ongoing concerns about radiation and environmental risks.

SEATTLE — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first atomic ...

A grapefruit-sized sphere of plutonium holds enough energy to wipe a city off the map. But how does that actually work? From chain reactions to hydrogen bombs, we’re breaking down the terrifying ...

How to build a nuke and what you can do about it. June 28, 2010— -- Nuclear weapons have been making a lot of noise lately. Whether it's a new START agreement, a United Nations summit or a ...

HIROSHIMA, Japan, Aug 6 (Reuters) - Exactly 80 years since an atomic bomb was used in war for the first time, thousands bowed their heads in prayer in Hiroshima on Wednesday, as the city's mayor ...

My father, Donald Schover, was an electronics research assistant at the University of Chicago’s Metallurgical Laboratory (or Met Lab)—the same lab where Enrico Fermi and his team achieved the first ...

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. On ...

SEOUL (Reuters) - North Korea's Foreign Ministry called on Monday for direct talks with its long-time foe, the United States, and said it was ready to return to stalled six-way nuclear disarmament ...

An atomic bomb test at Bikini Lagoon. Marshall Islands, July 1946. Today is the 80th anniversary of the bombing of Hiroshima and the first use of an atomic bomb in war, in this case by the United ...