The most immediate concern is roughly 970 pounds (441 kilograms) of highly enriched uranium containing 60% of the U-235 isotope that is relatively easy to split. That’s what Iran was believed to have ...

Sri Lankan SEP and IYSSE members have spoken with workers and students in their campaign against the US-Israel war on Iran.

From expiring treaties to AI-accelerated warfare, the guardrails that once limited nuclear risk are rapidly disappearing, Dr. Ira Helfand writes.

Ex-Knicks coach David Fizdale says team brass told him to tank during the 2018-19 season to try to get Zion Williamson or Ja Morant, while assuring him that Kevin Durant and Kyrie Irving were coming ...

Aerial view of Hiroshima, Japan, after atomic bombing of August 6, 1945. Whether a nuclear weapon might again be used by one nation against another is a question that has haunted the world for nearly ...

A new analysis based on an online simulation tool is raising fresh questions about where Americans might be safest if a nuclear war ever happened. The study points to a handful of U.S. states that ...

Fears of World War 3 and nuclear attacks are on the rise. But how safe would you be in DC, VA and MD during nuclear war? See vulnerable spots.

Forty years ago today, the Norwegian Nobel Committee awarded the 1985 Nobel Peace Prize to the International Physicians for the Prevention of Nuclear War. I was a young physician at the time. I ...

The headlines on the state of nuclear weapons in recent days have been dire. Bulletin of the Atomic Scientists declared at the end of January that its Doomsday Clock, which represents how close ...

Editor’s note: This is part of an “experts comment” series on the expiration of New START. With the New Strategic Arms Reduction Treaty (New START) expiring this week, remedial measures can be adopted ...

The Doomsday Clock is now the closest it has ever been to midnight. Scientists have set the symbolic Clock at 85 seconds to midnight, issuing a dire warning about the apocalyptic danger of nuclear ...