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 ...

UN Nuclear watchdog, the International Atomic Energy Agency (IAEA), has said that Iran holds 440.9 kg (972 pounds) of highly enriched uranium (60% purity).

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

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

Aug. 6 and Aug. 9 are the 80th anniversaries of the U.S. atomic bombings of Hiroshima and Nagasaki. The killing of 140,000 civilians at Hiroshima was the effect of detonating a 60 million-degree ...

LOS ALAMOS — A sphere of plutonium the size of a grapefruit contains enough energy to erase an entire city from existence. That single fact explains why nuclear weapons remain humanity’s most feared ...

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 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 ...