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Critics say research on fetal tissue is no longer needed to answer crucial medical questions. But National Institutes of Health officials and other scientists say alternatives don't yet measure up.

Traditionally, the three daily meals in America are breakfast, lunch and dinner. But did our forebears eat four times a day instead of three?

The machines, pulled in 2013, expose travelers and airport workers to a dose of radiation well within acceptable limits — a factor of 10 below recommended safety standards.

The new Daily Show host joked about moving up from the outdoor toilets of his boyhood to indoor toilets. But outdoor latrines actually have their advantages.

Photographer LaToya Ruby Frazier is the third generation of her family to grow up in Braddock, Pa. For years, she says, African-American contributions to the town have been "overlooked and ignored."

Planned Parenthood recently has become a flashpoint in the 2016 presidential campaign, especially among GOP candidates. But public opinion about the organization isn't changing much.

The National Endowments for the Arts and Humanities, two federal grant-making agencies aimed at investing in American culture, turn 50 on Tuesday.

The designer named former Old Navy executive Stefan Larsson as his successor.

A British study that tracked the health of thousands from childhood through midlife finds early distress to be even more potent than adult stress in predicting later diabetes and heart disease.

Most of us are unaware of what goes on under the hood of our car. Some people, including safety researchers, would like to access the software. But a 1998 copyright law stands in the way.