Christmas trees—and conifers in general—have made some surprising cameos throughout U.S. history, author Trent Preszler ...

General-purpose robots remain rare not for a lack of hardware but because we still can’t give machines the physical intuition ...

Scientists have successfully transplanted gene-edited insulin-producing cells into a man with type 1 diabetes—allowing him to ...

The FDA is reportedly considering the addition of high-level warning labels to COVID vaccines, a move that some experts say ...

The FDA has approved a device that aims to treat depression by sending electric current into a part of the brain known to ...

The words “pollination” and “flower” may seem inseparable, but plants began courting insects millions of years before they ...

Moths sometimes drink the tears of other animals, but the behavior has mostly been observed in the tropics. New photographs show only the second observation outside of that area ...

A new study identifies a mechanism for how COVID vaccines may, in infrequent cases, drive heart inflammation, a condition ...

More than 1,900 people, mostly children, have been sickened by measles in the U.S. in 2025. The outbreaks are moving the ...

Even worse, the orbit of Mars is elliptical (think of a slight oval rather than a perfect circle), which means that sometimes ...

Emma R. Hasson is Scientific American’s Games ace and a Ph.D. candidate in mathematics at the City University of New York ...

Making fire on demand was a milestone in the lives of our early ancestors. But the question of when that skill first arose ...