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

Exclusive: Australian taxpayer money and US military grants are helping to fund physics research by a Russian scientist ...

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

At the end of August, the AI company Anthropic announced that its chatbot Claude wouldn’t help anyone build a nuclear weapon. According to Anthropic, it had partnered with the Department of Energy ...

Scientists from around the world gathered in Hiroshima in November with the aim of charting a path toward a world free of ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

WASHINGTON, Aug 27 (Reuters) - Iran has launched a speedy clean-up operation at a nuclear-related site in northern Tehran hit by Israeli airstrikes that will likely remove evidence of any nuclear ...

A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear ...