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

Nuclear deterrence is no longer a two-player game, and emerging technologies further threaten the status quo. The result is a ...

By Amy Goodman & Denis Moynihan Nuclear weapons have not been used in war since 1945, although there have been close calls.

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

The daughter of an Oak Ridge engineer seeks to understand her father's role in the Manhattan Project—and fills unknowns with ...

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

In this except from the biography of J. Robert Oppenheimer, we hear from the people at the historic first test of the atomic bomb in New Mexico.

The Manhattan Project's Trinity test bomb detonated on July 16, 1945. The light, noise, shockwave, and fallout cloud were impossible to keep secret.

Physicists have discovered that silicon-22 reveals a new proton magic number offering critical insights into nuclear ...

Emerging dangers are reshaping the landscape of nuclear deterrence and increasing the threat of mutual annihilation.

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

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