The IAEA estimates Iran had 440.9 kg of uranium enriched to that level when the bombing started. That is enough in theory, ...

There are several ways to build a nuclear weapon. This videographic shows the process used to make a bomb with enriched uranium, utilising nuclear fission. This method could be considered by Iran, ...

There are several ways to build a nuclear weapon. This videographic shows the process used to make a bomb with enriched uranium, utilising nuclear fission. This method could be considered by Iran, ...

A uranium enrichment facility at an unspecified site in Iran. (Tasnim) Mahmoud Reza Aghamiri, the president of Iran’s Shahid Beheshti University and one of the Islamic Republic’s prominent nuclear ...

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a ...

HIROSHIMA, Japan — Shortly before the 80 th anniversary of nuclear attack on Hiroshima early this month, several dozen elementary school students met with atomic bomb survivor and farmer Toshiyuki ...

He played a key role in ending apartheid South Africa’s secret weapons program in the 1980s by helping the African National ...

Thirty-seven years ago, on April 26 1986, the reactor of the Chernobyl nuclear power plant suffered a catastrophic meltdown. In the weeks that followed, the deadly event drove hundreds of thousands of ...

Recent satellite imagery analyzed by the Center for Strategic and International Studies (CSIS) suggests renewed activity at Iranian nuclear sites, raising concerns about Tehran’s nuclear ambitions ...

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 ...

SEATTLE — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first atomic ...