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NASA's Osiris-REx mission has successfully returned a pristine sample of asteroid back to Earth. This cupful-or-so of space rock could shed light on the solar system's origins.

Maj. Gen. Janeen Birckhead of Maryland only became a soldier to help pay for college. Three decades later, she's risen to the top military position in Maryland, leading a force of 4,600 soldiers.

A series of violent escalations on the border between Israel and Gaza over the past week during a sensitive Jewish holiday period raised the specter of an escalation for the first time since May.

The windows, titled "Now and Forever," were created by artist Kerry James Marshall. They show a group of protesters holding up large signs that read "Fairness" and "No Foul Play."

Heavy rain from Ophelia will also pose a risk of flash flooding from Virginia to New Jersey, according to the National Hurricane Center.

The latest children's book from Julie Andrews, Emma Walton Hamilton and illustrator Elly McKay is about the power of nature and music. They discussed their creative process in an interview with NPR.

Immigration authorities arrested more families in August than in any month on record. U.S. officials have long grappled with discouraging families from coming — and found there are no easy solutions.

The horseshoe crab bleeding industry is in transition. One biomedical company agreed to more oversight, and a regulatory group is paving the way for drug companies to use animal-free alternatives.

As the writer's strike continues into the fall TV season, NPR's Scott Simon imagines a fresh crop of reality show substitutes for regular programming.

Colombia's capital is home to 11 million people — and to some of the worst traffic jams in the world. Now Chinese companies are building its first metro line.