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

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

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

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 US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.

A 110-degree day in Las Vegas, a city dedicated to entertainment and capitalism, seems a strange place to commemorate the 80 th anniversary of the atomic bombing of Hiroshima. Yet Las Vegas has its ...

A minute of silence was observed Saturday in Nagasaki, precisely at the time of the atomic bomb explosion dropped by a US bomber on the Japanese city 80 years ago, while the restored bell tower of the ...