In one of Robert F. Kennedy Jr.’s first moves as secretary of the US Department of Health and Human Services, the agency released guidance Wednesday for the US government, external partners and the ...

There was a time when Urban Dictionary felt essential. Twenty-six years ago, when then-college freshman Aaron Peckham founded ...

U.S. millennials are rejecting suburbia and moving back to the city. That was a prevailing idea in 2019, when I started as the social sciences reporter at Science News. But when I began digging into a ...

Viewed this way, a definition is a decision mechanism. It distinguishes some elements of the universe from the others. Hence ...