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 ...

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 ...

Russian President Vladimir Putin, dressed in a military uniform, announced on Oct. 26, 2025, that Russia had successfully tested a nuclear-powered missile. If true, such a weapon could provide Russia ...

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 ...

Senior Defense Department officials described how the bombs used against the Iranian nuclear facility in Fordow worked during a Thursday press briefing at the Pentagon. The United States struck ...

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 ...

President Donald Trump is off on another ill-informed ranting spree, this time claiming that he has ordered the military to resume nuclear testing. In his interview with 60 Minutes last week, he ...

CFR scholars provide expert analysis and commentary on international issues. Erin D. Dumbacher is Stanton nuclear security senior fellow at the Council on Foreign Relations. President Donald Trump ...

Recent conflicts in Europe and the Middle East have reignited fears about the use of nuclear weapons. What would a nuclear conflict do to the planet’s environment today? In a new congressionally ...

During the campaign, Barack Obama promised to "stop the development of new nuclear weapons; work with Russia to take U.S. and Russian ballistic missiles off hair-trigger alert; seek dramatic ...

At the end of August, the AI company Anthropic announced that its chatbot Claude wouldn’t help anyone build a nuclear weapon. According to Anthropic, it had partnered with the Department of Energy ...

After meeting with Israel's Netanyahu, Trump said he'd heard Iran is trying to rebuild its nuclear program, "and if they are, ...