A US military helicopter that hit a passenger jet in Washington was practicing emergency evacuation plans. It is not clear they would even work in a nuclear war.

Trump has sought a nuclear deal with Russia and China for years. He could get one this time—but only if he does it the right ...

Too few leaders have learned the critical lesson that international cooperation is essential to pandemic prevention, ...

Iconic Doomsday Clock moves one second closer to midnight as global existential threats rage. Clock factors include nuclear ...

Doomsday Clock closest it’s ever been to midnight amid climate, nuclear, AI threats Read more » ...

Did RFK Jr.'s long-record of anti-vaccine activism affect his chances at becoming Trump's secretary of health?

Doomsday Clock moves closer than ever to midnight over AI and lab leak fears Read more » ...

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

Professor of public policy at the University of Maryland and former environmental and security lead in the White House Office of Science and Technology Policy Microbiologist and Infectious Diseases ...

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

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