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 ...

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

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.

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

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 Trump administration has reportedly disrupted over 100 clinical trials. Science News spoke to researchers about the impacts on four of them.

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

Two cases of alpha-gal syndrome suggest that the lone star tick isn’t the only species in the United States capable of triggering an allergy to red meat.

Experiments point to how scientists can strengthen or weaken memories, which may eventually lead to treatments for Alzheimer’s disease or PTSD.

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.