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Climate change is exposing nuclear power’s reliability problem
1+ hour, 2+ min ago (206+ words) By Valerie Arnhold, M.V. Ramana | Opinion | September 6, 2026 A team of international security experts visited Romania’s Cernavoda Nuclear Power Plant in December 2024. The entire plant had to be shut down in August because drought brought water levels in the Danube River to…...
Defeated by physics - Bulletin of the Atomic Scientists
3+ day, 23+ hour ago (1686+ words) The science behind Golden Dome's space-based interceptors doesn't add up The military was already upgrading and augmenting its existing missile defense and related sensor systems. Much of that effort now falls under Golden Dome. Since then, advances in technology have…...
Join us for the 2026 Doomsday Clock Announcement
7+ mon, 1+ week ago (782+ words) By John Pope | What's New at the Bulletin | January 5, 2026 Science and Security Board Chair Daniel Holz speaks to the press at the 2025 Doomsday Clock announcement. Credit: Jamie Christiani For media questions about the Doomsday Clock and the announcement please use…...
Mission impossible? Quantifying military emissions
1+ week, 6+ day ago (1081+ words) Military and wartime emissions are difficult to track—but too important to ignore. US Navy Grumman F-14A Tomcat flying over a Kuwaiti oil well set ablaze by Iraqi troops during the 1991 Gulf War. (Lt. Steve Gozzo, US Navy) One can…...
Mirror life is a mass-extinction risk we don’t need to take
2+ week, 1+ day ago (276+ words) By Georgios Pappas | Opinion | August 21, 2026 A roadside mirror. Credit: kaʁstn Disk/Cat via Wikimedia Commons. CC BY-SA 3.0 DE. “Without effective predation and an accompanying increase in the number of predators, mirror bacterial populations could potentially reach very high densities, with…...
AI helped me (almost) build a killer drone
3+ week, 3+ day ago (1750+ words) I asked AI chatbots to help me build an autonomous attack drone: They helped, but I failed. For now. This horror genre lives on, courtesy of a horde of films featuring killer androids (and Guillermo del Toro’s recent revisitation of…...
Is it a chemical? Is it alive? Oversight in the coming era of synthetic cells could be complicated
1+ mon, 5+ day ago (434+ words) Follow our Iran coverage By David Gillum, Peter A. Carr | Opinion | July 31, 2026 A cell culture plate. Credit: National Center for Advancing Translational Sciences via Wikimedia. From the smallest bacteria to blue whales and redwood trees, all life on Earth is composed…...
Data centers powered by next-gen nuclear? Don’t fall for Big Tech’s PR hype
1+ mon, 2+ week ago (346+ words) Follow our Iran coverage By Molly Langabeer, M.V. Ramana | Analysis | July 20, 2026 Nuclear energy recently crossed a global milestone. In 2025, the share of all electrical energy flowing in the world’s grids coming from nuclear power plants was just 8.8 percent, roughly half of…...
AI for peace: In Rome, Nobel laureates call for disarming AI and nuclear weapons
1+ mon, 2+ week ago (681+ words) Follow our Iran coverage By François Diaz-Maurin, John Mecklin | Analysis | July 17, 2026 The group’s declaration, titled Humanity at the Threshold: A Declaration on Artificial Intelligence and Nuclear Weapons, followed two days of meetings among the Nobel laureates, top scientific and policy…...
Europe’s heat wave set records for all-time highs - Bulletin of the Atomic Scientists
1+ mon, 3+ week ago (432+ words) Follow our Iran coverage By Tik Root | Analysis | July 14, 2026 Image courtesy Thomas Warnack / Picture alliance via Getty Images / Grist Editor’s note: This story was originally published by Grist. It appears here as part of the Climate Desk collaboration. Europe has…...