Nuclear bombs
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Coming Soon? A Brief Guide to 21st-Century Megadisasters
A Q&A with Jeffrey Schlegelmilch, author of a new book on potential future calamities, and how they may play off one another.
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Even a Limited India-Pakistan Nuclear War Would Bring Global Famine, Says Study
Even a limited nuclear exchange between India and Pakistan would cause unprecedented planet-wide food shortages lasting more than a decade.
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North Korea’s 2017 Bomb Test Set Off Later Earthquakes, New Analysis Finds
Using newly refined analysis methods, scientists have discovered that a North Korean nuclear bomb test last fall set off aftershocks over a period of eight months on a previously unmapped earthquake fault nearby.
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Ear to the Ground, Listening for Nuclear Blasts
Seismologist Lynn Sykes has been working for more than 50 years to halt the testing of nuclear bombs. In his forthcoming book, Silencing the Bomb: One Scientist’s Quest to Halt Nuclear Testing, Sykes provides an insider’s look at the science behind detecting explosions, and international efforts to establish a series of treaties.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
