Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an ...

UN Nuclear watchdog, the International Atomic Energy Agency (IAEA), has said that Iran holds 440.9 kg (972 pounds) of highly ...

There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled ...

Social media-fueled theories of World War 3 have raised questions over what US states are safe should nuclear war happen.

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

The US military has lost six nuclear warheads in Broken Arrow incidents, with weapons dropped in waters near Tybee Island and the Mediterranean Sea remaining underwater and unrecovered to this day ...

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 ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...