In April 2024, we were honored when Rachel Bronson invited us to contribute to the evolution of the iconic Doomsday Clock.

Iconic Doomsday Clock moves one second closer to midnight as global existential threats rage. Clock factors include nuclear weapons, climate crisis, artificial intelligence, infectious diseases, and ...

AI companies don't fully understand how their models work and they aren’t making the training data available to outside ...

Robert Carlin and Hecker write a hypothetical Kim-to-Trump letter based on their understanding of the situation on the Korean ...

You yourself must be aware of the threats from sea level rise, as the Trump International Golf Links in Doonbeg, Ireland, has ...

Once China produced weapons-grade uranium, it assembled its first atomic bomb in as little as three to five weeks. Iran may ...

Mr. President, you should end the policy of placing the responsibility to launch nuclear weapons on one person—you and future ...

Mr. President, nuclear power plants are increasingly vulnerable to drone attacks. You should take again the lead and secure ...

Mr. President, the sea-launched nuclear cruise missile is unnecessary, costly, and makes the job of rebuilding our military ...

Modeling System at the University of Colorado, Boulder.

Darya Dolzikova is a research fellow in proliferation and nuclear policy at the Royal United Services Institute in London.

We’re excited to welcome you to our growing community. Starting soon, we’ll be in your inbox on Mondays and Thursdays, bringing you a direct line to the best thinking on nuclear risk, climate change, ...