The Latest Breaking News from Nuclear Weapons

South Korean President Yoon Suk-yeol warned of an unprecedented joint response with allies if North Korea goes ahead with a nuclear test, and urged China to help dissuade the North from pursuing banned development of nuclear weapons and missiles.

In his opening remarks at the COP27 meeting in Egypt, UN secretary general António Guterres put it this way: “Humanity has a choice: co-operate or perish. It’s either a climate solidarity pact or a collective suicide pact.”

Russia and the U.S. put off a new round of talks under the New START treaty this week, in what would have been the first such discussions since the Russian invasion of Ukraine in February.

Kim Jong-un has announced his new plans to develop " most powerful" nuclear weapons stock in the world only days North Korea tested a new long-range ICBM missile

The appearance of Kim’s daughter at an ICBM launch underscores how the regime sees its nuclear weapons program as a fixture and that the North Korean leadership is willing and prepared to continue on this path.

Climate change and the war in Ukraine have cast a renewed spotlight on nuclear issues, say organisers of this weekend’s inaugural Nuclear Connections Across Oceania conference at the University of Otago

European Commission President Ursula von der Leyen chose the Manama Dialogue platform to reveal an acknowledgement that the Europeans took a long time to “understand a very simple fact that while we work to prevent Iran from developing nuclear weapons, we must also focus on other forms of weapons proliferation,…

The elder Paul brother has often flirted with the idea of running for president after turning 35, and has joked that he would allow his younger brother to be his vice president

This century’s worst-case climate scenario isn’t global warming of 4 or even 5 degrees Celsius. It’s a nuclear winter that would trigger global cooling up to 12 or 13 degrees C.

WASHINGTON — The U.S. and Canadian defense chiefs discussed upgrades to North America’s missile-warning system as the Biden administration seeks to slow North Korea’s atomic ambitions, open better communications with China and dial back fears the Kremlin might use nuclear weapons in its war in Ukraine.

North Korean leader Kim Jong Un pledged to counter nuclear threats with nuclear weapons, state media KCNA said on Saturday. "Kim Jong Un solemnly declared that if the enemies continue to pose threats ... our party and government will resolutely react to nukes with nuclear weapons and to total confrontation…