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.

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

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

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.

Kathryn Paige Harden's "Original Sin" explores the genetic roots of sin and guilt, and our attitudes toward punishment.

When George W. Maschke applied to work for the FBI in 1994, he had already held a security clearance for over 11 years. The government had deemed him trustworthy through his career in the Army. But ...

On a mild day in mid-November, among a clutch of oaks and sycamores, more than a dozen people encircled a small fire. Some lay splayed on the ground or on blankets, others perched on camp stools. Many ...