On the 77th anniversary of the atomic bombings of Hiroshima and Nagasaki, the cities' hibakusha demanded that Japan sign and ratify the Treaty on the Prohibition of Nuclear Weapons (TPNW).

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The warplane-dropped nuclear gravity bomb known as the B61 has been fully modernized with a new precision guidance system, the Energy Department’s National Nuclear Security Administration ...

The Chinese government has claimed that it has been "forced" to develop nuclear weapons as a United States official issued a warning about China's weapons of mass destruction program. Newsweek has ...

At the end of the Cold War, global powers reached the consensus that the world would be better off with fewer nuclear weapons. That era is now over.

For more than two decades, Iran’s relationship with the West has largely been defined by developments in the country’s nuclear programme and efforts to stop it from getting a bomb. Tehran has ...

At the end of the Cold War, global powers reached the consensus that the world would be better off with fewer nuclear weapons. That era is now over. Treaties are collapsing, some nuclear powers ...

making it the oldest and most versatile weapon in the enduring U.S. nuclear weapon stockpile.” Digging deeper, the National Security Archive at George Washington University (GWU) reports that ...

The B61-12 is a modernized version of the B61, a family of thermonuclear gravity bombs that has been part of the U.S. military stockpile since 1968. Described as the most expensive nuclear bomb ...

A photo supposedly showing the "atomic shadow" of a human and a ladder that was created when the U.S. dropped atomic bombs above Japan at the end of World War II has been frequently shared online ...

The goal of testing a nuclear weapon is not to undermine arms control agreements or give a green light for further testing by Moscow or Beijing. It would be done in service of a larger ...