The cesium-137 capsule fell off a truck. Being near it is like getting x-rayed 10 times per hour.
The Doomsday Clock has been in stasis since 2020, and scientists just moved it up to 90 seconds to midnight.
The national laboratories research everything from nuclear fusion power to maintaining America's stockpile of warheads.
Movie stills from a Syrian propaganda movie, 9/11, and old training exercises landed in Russia's presentation on dirty bombs in Ukraine.
U.S. Central Command just dropped the location of a powerful nuclear weapon in a tweet.
After his controversial suggestions for ending the war, the organisers said: “As of today, Elon Musk is persona non grata in Shchekavystsa.”
Minutes after the speech concluded, Ukraine announced it would formally submit an application to join NATO.
In 1962, Vasily Arkhipov made a fateful decision that averted a nuclear war. Now his story will be sung.
Republicans and some Democrats are pressuring Biden to classify fentanyl as a “weapon of mass destruction.” Experts say it will exacerbate the war on drugs.
"I used to tell my niece I worked in a chocolate factory, because I would come home covered in oil."