An analysis of Iran's Bushehr nuclear plant responds to claims of an imminent 200-bomb threat, detailing technical realities of reactor-grade plutonium.

The Nuclear Regulatory Commission plans to end longstanding guidance that radiation exposure be “as low as reasonably achievable.” ...

Plutonium is one of the most complex elements in the periodic table. First synthesized and isolated in 1940 by scientists at ...

The Bulletin of the Atomic Scientists, a nonprofit organization widely known for creating the Doomsday Clock, was named this ...

The results of the seventh season of the international scientific and educational project Icebreaker of Knowledge, organized ...

First dreamed up decades ago, the world's first nuclear clocks are set to improve quickly, becoming more precise and aiding the hunt for dark matter.

Nuclear energy in the West took another step forward as the first privately developed, non-light-water reactor to go critical in the United States in more than 40 years reached a major milestone when ...

Nuclear fallout events, whether triggered deliberately or accidentally, are something we hope will never happen. But if they do, understanding the consequences is a crucial part of safety planning and ...

LSE Philosophy Professor Roman Frigg recently gave the Giere Memorial Lecture in Philosophy of Science 2026 talking about "Cyclones, Forecasts, and Uncertainty: How Model-Ensembles Can Be an Effective ...

Just over a year ago, the Trump Administration issued an executive order meant to accelerate the development of nuclear power in the US. While an entire startup ecosystem has developed around the use ...

Physicists have discovered a surprising new “Island of Inversion” in a place no one expected: among nuclei where the number of protons equals the number of neutrons. For decades, these strange regions ...