Advanced AI models appear willing to deploy nuclear weapons without the same reservations humans have when put into simulated geopolitical crises. Kenneth Payne at King’s College London set three ...

In June, the Trump administration nevertheless launched airstrikes targeting Iran’s nuclear program. And today, it might strike Iran again over its nuclear ambitions — this time despite President ...

HILL AIR FORCE BASE, Utah — The Pentagon and the Energy Department for the first time airlifted a small nuclear reactor from California to Utah, demonstrating what they say is U.S. potential to ...

WASHINGTON, Feb 19 (Reuters) - President Donald Trump has told Congress he is pursuing a civil nuclear pact with Saudi Arabia that does not include non-proliferation safeguards the U.S. has long said ...

Matthew Bunn is a member of the Board of Directors of the Arms Control Association; is a member of the Committee on International Security and Arms Control of the National Academy of Sciences; has ...

The editorial board is a group of opinion journalists whose views are informed by expertise, research, debate and certain longstanding values. It is separate from the newsroom. The world is entering a ...

Lockheed Martin's concept for a fission surface power (FSP) system on the surface of the moon. Credit: Lockheed Martin No technology holds more transformative potential for America’s space aspirations ...

A special set of numbers has formed the backbone of nuclear physics research for decades, and now we finally know how it arises from the quantum mix of nuclear particles and forces. Nearly 80 years ...

The Department of War on Sunday transported a next-generation nuclear reactor aboard a C-17 from California to Utah, advancing President Donald Trump’s executive order to modernize America’s nuclear ...

Iran's Deputy Foreign Minister Majid Takht-Ravanchi tells the BBC that Tehran is ready for a deal with the U.S. over its nuclear program. Tehran has repeatedly ruled out linking the issue to other ...

When the US briefly stopped sharing battlefield intelligence with Ukraine in March 2025, the results were immediate. Kyiv’s forces suffered decisive setbacks on the battlefield as its European allies ...

In January 2025, WSJ went inside Three Mile Island to learn more about the delicate process of rebooting a nuclear power plant. Photo Illustration: Alexandra Larkin A nuclear-power startup said it has ...