Republicans are critical of President Obama's foreign policy with the rise of the Islamic State militant group and the Iran negotiations. But the GOP faces its own challenges related to world affairs.
A new study shows a correlation between physical movement and mental work.
To study the draft Trans-Pacific Partnership text, senators have to go to the basement of the Capitol and enter a secured, sound-proof room and surrender their cell phones.
The jury already convicted Boston Marathon bomber Dzhokhar Tsarnaev. Now they'll decide whether he will live or die.
The Amtrak passenger train was going more than 100 miles an hour when it derailed north of Philadelphia. Positive train control could have automatically slowed the train down on that stretch of rail.
No one has been a late-night TV host longer than David Letterman, who retires Wednesday after 33 years. Here's what he told NPR TV Critic Eric Deggans on leaving the Ed Sullivan Theater one last time.
A mouse brain boasts more than 200 different kinds of cells, say scientists, who are busy cataloging everything known about each type. Next up: a data trove of details on human brain cells.
NYPD officer Peter Liang has been indicted for the death of Akai Gurley. Some in the Asian-American community support holding Liang accountable; others say he is being scapegoated because of his race.
Even after the psychological pain is effectively treated, damage from long years of depression may linger. It seems to double the risk of stroke among adults over age 50, research suggests.
One officer says relations with the public are "about as bad as I've seen," as a take-charge method of policing collides with a more skeptical citizenry that can record and disseminate video anywhere.
Santa Monica says renting out a house or apartment for less than 30 days without the permanent tenant present is illegal.
The White House press secretary said he would convey the "snafu" to trade deal countries but he didn't know how it translates "into a variety of Asian languages." NPR's Scott Horsley finds out.
Gunmen attacked a guesthouse frequented by foreigners in the Afghan capital. No one has yet claimed responsibility.
In New Prairie Kitchen, a Nebraska food writer collects recipes and stories from Great Plains chefs and farmers. Their movement utilizes local ingredients like bison, morels and black walnuts.
Nine media organizations, including The New York Times and National Geographic, have signed a deal to distribute their content through a new Facebook feature called "Instant Articles."
Nepal was just recovering from the first earthquake when a second one hit on Tuesday. People are fearful but more determined than ever to rebuild their country.
A carrot isn't enough — bring on the stick. A study finds smokers are more likely to quit tobacco if they lose some of their own money after a relapse, than if they get a bonus for quitting the habit.
The USA Freedom Act would extend many parts of the surveillance legislation while also barring the NSA's massive collection of Americans' phone data. The measure's fate in the Senate is uncertain.
Amtrak was created in the 1970s to allow several private railroads to get out of the passenger business. Experts say that while its safety record is generally good, it needs upgrading.
The Obama administration has detained thousands of immigrant women and children, but that could soon change. A court case is challenging whether it is ever legal to hold children for long periods.