Strong evidence suggests that food allergies are caused by a lack of exposure to food allergens—not by exposure to toxins ...

A new report from the HHS that is critical of gender-affirming care for minors follows a similar, widely criticized report in ...

Researchers tracked thousands of Americans for decades, finding no links between ingesting recommended levels of fluoride and ...

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

Although the findings are yet to be confirmed, it marks the closest astronomers have come to locating these ancient stars ...

A tiny, misplaced label may have slowly loosened a critical wire on the ship that hit Baltimore’s Francis Scott Key Bridge, ...

The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

E-mails between Larry Summers and the now deceased financier and sex offender Jeffrey Epstein from 2018 and 2019 have raised ...

Melatonin supplements have become a ubiquitous sleep aid, but research shows that benefits are modest, and the heart health ...

The lovable Star Wars droid is helping to shed light on why some bird species are better at mimicking sounds than others ...

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs ...

New research suggests that kissing probably predates humanity and evolved between 16.9 million and 21.5 million years ago, after the ancestor of the great apes split from the lesser apes, or gibbons.