Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Consecutive earthquakes have raised questions about the possibility of Iran's nuclear program. However, the US and Israel are ...

Project 2025 opens the door to above-ground tests, which were banned in 1963. We can’t endanger our children again. National Security Research Center at Los Alamos National Laboratory The United ...

a U.S. Department of Defense program that aimed to improve the detection of underground nuclear explosions during the Cold War. The program included a series of tests under Project Dribble and ...

Director of National Intelligence Tulsi Gabbard told lawmakers that Pyongyang may be preparing to conduct its seventh nuclear ...

Gabbard said that Kim Jong Un is likely preparing to order North Korea's first nuclear test in over six years.

Proxima Fusion, a Munich-based nuclear fusion technology company, aims to start a test reactor in 2031 as it works towards commercial electricity production later in that decade, its chief executive ...

North Korea launched more cruise missile tests to demonstrate its nuclear counterattack capability ... for additional support in the Ukraine war.

After nuclear war was barely avoided during the Cuban missile crisis, public pressure convinced leaders to ban all above-ground tests in 1963 — a treaty that has never been violated. The test ...