A major industry safety report from 2026 found that several frontier AI labs have recently added restrictions to their systems since they could not rule out that their models might assist novices in ...

With the demise of New START creating a dangerous legal vacuum, Washington and Moscow must abandon outdated Cold War assumptions and forge a modern, shared definition of strategic stability.

Americans are now getting more of their electricity from solar than from coal—a whopping big change from the early 2000s, when coal was king. And solar’s rise is accelerating, provides more than twice ...

Editor’s note: This story was originally published by The Guardian. It appears here as part of the Climate Desk collaboration. Antarctica’s west coast is missing an area of winter sea ice the size of ...

Andrew Longman holds a PhD in physics from Purdue and is a consulting instrument scientist. He has provided hardware or software instruments to Honeywell, Blue Wave AI Labs, Tri Alpha Energy, Exelon, ...

Professor of Public Policy at the University of Maryland and former Environmental and Security Lead in the White House Office of Science and Technology Policy ...

Herbert Lin is a former Bulletin Science and Security Board member and senior research scholar and research fellow at Stanford University. His research interests relate to the intersection of emerging ...

Climate hushing” is one reason why so many politicians who oppose Trump administration policies have been going silent on ...

The 11th Review Conference of the Non-Proliferation Treaty (NPT) ended last week as it had in 2015 and 2022, deadlocked over a single regional issue, in this case Iran. The draft declaration that ...

On May 25, Pope Leo XIV publicly presented his first encyclical, or official letter used to impart papal messages, titled Magnifica Humanitas (or Magnificent Humanity). The nearly 42,000-word document ...

Renewed geopolitical competition, accelerating nuclear modernization, and the weakening of arms control frameworks have re-centered strategic stability in global security debates. Yet European and ...