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 ...

How are nuclear weapons maintained and modernised in the 21st century? America stopped explosively testing its warheads and bombs in 1992. Now the country relies on sophisticated computer simulations ...

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's ...

Japan doesn’t seem likely to develop nuclear weapons in the short-term. However, the tensions that triggered this episode are ...

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.

Oct 30 (Reuters) - U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

The United States is "immediately" restarting nuclear weapons testing, President Donald Trump has said. "Because of other countries' testing programs, I have instructed the Department of War to start ...