If the U.S. does drop a powerful "bunker buster" bomb on a suspected underground nuclear weapons site in Iran, experts in radiation hazards say there is little risk of widespread contamination. As we ...

Nuclear fuel pellets are primarily made of uranium dioxide (UO2), a ceramic material. They are typically enriched with uranium-235, an isotope that undergoes nuclear fission to produce energy. (Credit ...

The weak nuclear force doesn't play by the normal rules — and, in fact, it breaks one of the biggest rules of all. When you purchase through links on our site, we may earn an affiliate commission.

A nuclear escalation in the Middle East would trigger a global catastrophe. Know the physics behind nuclear weapons, and the looming threat of a worldwide nuclear winter.

In 2025, IAEA website audiences were drawn in large numbers to our visual science explainers and features on the safe and secure uses of nuclear energy, nuclear science and technology. 1.

After a 4.3 magnitude earthquake hit Khonj, speculation of a secret Iranian nuclear test erupted. We break down the seismic signatures, enrichment levels, and expert analysis to determine if Tehran ...

Wilmington ANS has been selected as the national host for Nuclear Science Week 2026, showcasing Wilmington, NC, as a ...

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were ...