The Colibrí Center for Human Rights was a vital link between families and their missing loved ones. Now it's gone dark.

Research suggests that rocket exhaust and debris could be threatening the ozone layer, though many uncertainties persist.

Amid declining test scores, the country has pivoted away from screens and invested in back-to-basics school materials.

Understanding the genetics of circulating viruses will determine if the U.S. loses measles elimination status this year.

Research is identifying alternative methods to the polygraph, but some doubt whether true lie detection is possible.

President Trump’s sweeping nuclear energy and weapons agenda has prompted revisions of longstanding radiation standards.

An executive order upended an NIH policy requiring researchers to account for both sexes in preclinical animal studies.