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Winds from the northwest are blowing cool, dry air—but also wildfire smoke—into the U.S. Midwest from Canada

Federal officials seized 3,000 copies of Scientific American in 1950 in a “red scare” era of attacks on science. The move backfired, and offers lessons for today

Scientists are uncovering how spinning black holes launch jets, warp spacetime and shape the cosmos

A conversation with Anthropic’s chatbot raises questions about how AI talks about awareness.

Check out Scientific American’s fiction and nonfiction book recommendations for July

The immune system senses damage to cell membranes caused by pore-forming proteins and mounts a response

A relatively small detector caught neutrinos from a nuclear reactor using a technique known as coherent scattering

When people viewed virtual avatars with coughs or rashes, their brain triggered an immune response

About nine million years ago, a hybridization involving the lineage of another farmers market star gave rise to the modern-day cultivated potato

A lighting flash that spanned from East Texas to an area near Kansas City in 2017 is officially the longest lightning strike ever measured, according to the World Meteorological Organization

As Earth spins through space, its rate of rotation changes. Here’s why

The immediate harms of extreme heat are well documented, but a growing body of research suggests that heatstroke may have long-term health effects throughout the body

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the geological reason why

Researchers and therapists explore the mental health benefits of tabletop role-playing games like Dungeons and Dragons.

Russia’s earthquake was estimated at magnitude 8.8, among the strongest since scientists began monitoring

The White House has now fully embraced bomb-prone nuclear fuel technology. This should stop before an arms race, atomic terrorism or even nuclear war results

Water usually flows downward, but something strange happened under Greenland’s ice sheet when a deluge punched through the surface to scour an area nearly twice the size of New York’s Central Park

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