Global Landslide Risk Rises as the Planet Warms

The landslide behind my neighbor’s backyard doesn’t exist—not according to the New York State landslide map or Greene County’s hazard-mitigation plan or the federal inventory managed by the U.S. Geological Survey. But when you’re standing in the middle of the debris field, the violence of the event is still evident 14 years after it occurred.… Continue reading Global Landslide Risk Rises as the Planet Warms

What Can Be Done About Hamas Fighters?

Peace is a prerequisite to the ambitious economic development plans that could transform Gaza. Securing that peace, however, requires addressing the future role of Hamas’s fighters. In a recent RAND essay on the challenges of implementing Phase II of the Gaza Peace Plan, I warned that while demobilizing Hamas was desirable, it could create new… Continue reading What Can Be Done About Hamas Fighters?

Ukrainians: Resilient and More Confident

Despite limits on some U.S. aid and a mushrooming corruption scandal, Ukrainians appear more confident. Europeans are stepping up support. Ukraine is leading in drone innovation and Russia is seizing only slivers of land and cannot land a decisive blow, even if the eastern city of Pokrovsk falls. Although Western help is essential, Ukrainians now… Continue reading Ukrainians: Resilient and More Confident

Old ‘Ghost’ Theory of Quantum Gravity Makes a Comeback

The force we experience most intimately remains the most mysterious. Physicists understand how vast migrations of particles called photons light up our homes, and how swarms of “gluon” particles hold together the cores of our atoms. But they can’t say what gravity particles, if any, delight us as babies by enabling our spoons to plummet… Continue reading Old ‘Ghost’ Theory of Quantum Gravity Makes a Comeback

Can More British and French Nuclear Cooperation Help Deter Russia?

This commentary was originally published by War on the Rocks on September 30, 2025. As Europe continues to come to terms with both the Russian threat amid the war in Ukraine as well as the uncertainty surrounding the U.S. commitment to Europe, policymakers across the continent are urgently considering alternative deterrence arrangements. French President Emmanuel… Continue reading Can More British and French Nuclear Cooperation Help Deter Russia?

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The Gaza Cease-Fire Deal Is Hardly the Total Victory Netanyahu Promised

Questions linger about whether the cease-fire between Israel and Hamas will hold, and how—or if—the parties will move on to the far thornier issues in the U.S.-sponsored plan that led to it. Still, it’s clear that this breakthrough signals the beginning of the end. That is, it is clear to most except the government of… Continue reading The Gaza Cease-Fire Deal Is Hardly the Total Victory Netanyahu Promised

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Contributors to Scientific American’s October 2025 Issue

September 16, 2025 4 min read Contributors to Scientific American’s October 2025 Issue Writers, artists, photographers and researchers share the stories behind the stories By Jen Schwartz Chris GunnThe Lives of Dead Trees For almost 25 years Chris Gunn (above) worked as a contract photographer for NASA, where he shot precious objects such as moon… Continue reading Contributors to Scientific American’s October 2025 Issue

China Is Going to the Moon by 2030. Here’s What’s Known About the Mission—and Why It Matters

This commentary was originally published by The Conversation on November 11, 2025. More than 50 years after the last time humans walked on the Moon, China is working steadily towards landing its astronauts on the lunar surface. On October 30, 2025, a spokesman for China’s crewed space programme said the country was “on track” to… Continue reading China Is Going to the Moon by 2030. Here’s What’s Known About the Mission—and Why It Matters

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