The changes were made Thursday in the wake of an executive order Trump signed calling for the federal government to define sex as only male or female.

At first a crusader for workplace safety, the trained physician railed against the use of the toxic and ubiquitous material ...

America’s early leaders were worried not only about demagogues like Donald Trump, but about the rise of an antidemocratic, ...

In “Cerebral Entanglements,” Allan J. Hamilton argues that new imaging technologies give us unprecedented access — with ...