New Issue: Science’s Impossible Questions. Read Now

Scientific American

Cover of the October 2026 issue of Scientific American, showing a conceptual illustration of a blue question mark.

October 2026 Issue

Some of the biggest questions in science—about the origins of space, life and consciousness—aren't just unanswered. They may be unanswerable. That doesn't stop scientists from trying.

Elsewhere in the issue: The Desperate Hunt for Dark Matter | The Battle over Elon Musk's Colossus Data Center | Rewriting the History of American Apples

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Discussions

“What a wonderful article! It turns a scientific inquiry into an inspiring story of human history and love of agricultural treasures. It makes me wonder what other unique historical treasure hunts are going on in fields today. I am aware of the ongoing searches for truly ancestral varieties of corn. They might be needed to save one of our most…”
— Techlady

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Science Quiz: There's a new cat in town

Put your science knowledge to the test with this week’s news quiz. Play now.

Grey wolf in winter

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Winter in Yellowstone

with Andrea Thompson

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