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

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

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 ...

An analysis from 50 scientists found that ocean temperatures hit a new record high last year, an alarming sign for global ...

A minute of silence was observed Saturday in Nagasaki, precisely at the time of the atomic bomb explosion dropped by a US bomber on the Japanese city 80 years ago, while the restored bell tower of the ...

Many Americans—including students in the History of the Atomic Bomb course taught at the University of Texas at Austin by Bruce J. Hunt, A&S '84 (PhD)—have learned a version of this story: On Aug. 6, ...

Editor’s note: The Bulletin of the Atomic Scientists presents here, from its September 1946 issue, an eyewitness account of the first atomic bomb test in the Marshall Islands. In it, the author not ...