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

The U.S. altered the course of history 80 years ago when it dropped the atomic bomb on Japan. It was an audacious move that ultimately led to the end of World War II. The motivation and secrecy ...

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 ...

This week marks 80 years since the US dropped atomic bombs on Hiroshima and Nagasaki — killing an estimated 200,000 people. Historian Garrett Graff’s new book “The Devil Reached Toward the Sky” draws ...

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

(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 Chinese ...

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 ...

Russia's earlier tests of the Burevestnik missile include this 2018 launch. Screencapture of Russian Defense Ministry video, CC BY Russian President Vladimir Putin, dressed in a military uniform, ...

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 ...