The newest “Dragon Hatchling” AI model is testing whether skipping words in intermediate reasoning could cut computational cost.

Incendiamoeba cascadensis can replicate at 145° F, breaking the heat tolerance record for eukaryotes, a domain of life that ...

A thickening cortex, as shown in MRIs, preceded amyloid-beta accumulation, a known hallmark of Alzheimer’s disease, by up to seven years.

The gas giant Beta Pictoris b, about 63 light-years away, has the mass of 10 Jupiters and a magnetic field thousands of times as strong as Earth’s.

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Editor in Chief Nancy Shute discusses existential threats to humankind: extreme heat, never-ending drought and a plan to ...

For 27 years, the Southwest has been gripped by a historic drought. Scientists think it might be here to stay.

Solve the math puzzle from our October 2026 issue, in which a bird watcher seeks an indoor hobby.

A sickle across the throat and a padlock on the toe were likely meant to keep this 17th-century Polish teen from resurrecting ...

New research suggests that Paleodictyon — honeycomb-shaped formations perhaps sketched by da Vinci — are not made by soft-bodied creatures.

Calcium, a mineral involved in wound healing, can strengthen the attachment between microbe and skin and make infections hard ...

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