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 most powerful nuclear weapon ever built. Known as Tsar Bomba, the explosion was over ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

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 ...

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 ...

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

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

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

TASS FACTBOX. On October 30, 2025, US President Donald Trump announced that he had instructed the Department of War to begin nuclear weapons testing because "other countries are doing the same," ...