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Editor in chief Nancy Shute discusses the booming online market for semaglutide, new findings on how early humans used sophisticated thinking and whether Spinosaurus could swim.

Scientists are working on AI technology that has brain-inspired hardware, architecture or algorithms. Such neuromorphic AI could be nimbler, more efficient ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

Satellite data reveal a link between the amount of black carbon in the atmosphere and rates of Antarctic sea ice loss in recent years.

An archaeological site in Germany suggests communal hunting and complex thinking emerged earlier in human evolution than once thought.

Solve our latest interactive crossword. We'll publish science-themed crosswords and math puzzles on alternating months.

Astronomers have a lot of thoughts about the latest paper claiming we’ve found the strongest hints of alien life yet on the distant planet K2 18b.

The Curiosity rover identified hidden caches of the mineral siderite, which could help explain why Mars lost its habitable climate.