As the National Nuclear Security Administration pushes to dramatically accelerate plutonium pit production, it is cutting ...

Climate contrarians questioned evidence of a human fingerprint on climate change in a report commissioned by the Energy ...

On October 11, 1986, US President Ronald Reagan and Soviet Leader Mikhail Gorbachev met in Reykjavik, where they confronted the threat of nuclear weapons and found common ground despite the Cold War.

In March 2016, the Chinese government opened the doors to a nuclear security training center in Beijing with assistance from American experts. Sandia National Laboratories had worked with their ...

When Jacob Coxon resigned earlier this month from Anthropic, citing dramatic concerns about AI racing humans toward extinction, it capped several years of public defections by employees warning that ...

For Finnish authorities, 2025 ended dramatically. On the very last day of the year, at 4:53 a.m. local time, a telecommunications company called Elisa noticed a significant disruption to data on one ...

A recently declassified document from nearly 50 years ago provides an important piece of the puzzle for open-source researchers seeking to understand the murky origins of the International Atomic ...

Europe’s reliance on US nuclear weapons has been at the heart of the transatlantic security relationship, and so has been the protection that the old continent gets from being part of the NATO ...

For most of the past three decades, one might almost have said the United Kingdom had a glowing record on nuclear non-proliferation: Britain was the only major nuclear power to operate a minimum ...

Record-breaking climate trends continued in 2024 and 2025. Globally averaged temperature in 2024 was at the warmest level in 175 years of record-keeping. Likewise, atmospheric carbon dioxide—the ...

Editor’s note: This story was originally published by Canada’s National Observer. It appears here as part of the Climate Desk collaboration. This year’s coast-to-coast wildfires in Canada have already ...

Recent news reports suggesting Saudi Arabia is seeking US aid for a peaceful nuclear program are bringing attention to the distressing potential for nuclear weapons proliferation in the Middle East.