With decades of experience in national security, Jill Hruby joins the Bulletin’s Science and Security Board to help confront ...

More Americans are now eligible for compensation for health problems linked to radiation exposure from the atomic weapons ...

For nearly a century, scientists around the world have been searching for dark matter—an invisible substance believed to make ...

Eighty years after the U.S. used the atomic bomb on Japan, debates on nuclear weapons remain fraught. In Los Alamos, the ...

The speed of Earth’s rotation on its axis is increasing. The result of the increasing speed of Earth’s rotation has come in ...

This July 2025 issue of the Bulletin of the Atomic Scientists examines a number of similar potential flashpoints—around the world, in the skies above, and even in cyberspace—that, if activated, could ...

A powerful new method to control magnetic behavior in ultra-thin materials could lead to faster, smaller and more ...

The Trinity test—the detonation of the world's first nuclear bomb—was conducted 80 years ago as part of the Manhattan Project.

A clever method from Caltech researchers now makes it possible to unravel complex electron-lattice interactions, potentially transforming how we understand and design quantum and electronic materials.

A new AI tool trained on real microscopy data simulates nanoparticle movement with high accuracy, helping scientists decode ...

He worked to develop an atomic clock that is essential to global positioning systems and helped confirm a rare state of ...

Scientists anticipate that Earth's rotation will quicken enough to create three shorter days between July and August, starting Wednesday, July 9.