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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.

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

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

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

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

SAMHSA’s work is crucial to suicide and drug overdose prevention and mental health care. It may fall victim to changes to public health infrastructure.

Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.

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.

Adam Becker’s new book, More Everything Forever, investigates the dangers of a billionaire-driven tomorrow, in which trillions of humans live in space, served by AI.

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.