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The Obama administration set carbon dioxide limits for electric power plants Monday. The objective is to combat climate change by clamping down on power...

Emergency announcements in Spanish don't get broadcast as much as ones in English. Efforts to use social media to inform people about evacuations aren't helpful to those without Internet access.

Nearly a year since the police shooting of Michael Brown in Ferguson, Mo., the protesters for whom Brown's death became a rallying cry have moved their activism off the streets and behind the scenes.

Joe Domanick's Blue traces the history of the Los Angeles police and the shift away from a "disastrous policy" of using military-style tactics. The author shares lessons for departments nationwide.

A new study finds that one in four of the sex workers in Tijuana and Juarez started as minors. A safe house is helping some of them find a new life.

Fake and shoddy medications kill about 100,000 people around the world each year. Many "drugs" are no more than just chalk or water. An engineer in Boston is trying to change that.

Hillary Clinton has gotten more aggressive in defending herself in the controversy over her private e-mail server. Plus, Donald Trump has begun laying out specific policy proposals.

While the U.S. Preventive Services Task Force says most women should get screening mammograms every two years, an NPR-Truven Health Analytics poll finds women think they should go every year.

Lawmakers have left Washington, D.C., for August recess, but intense lobbying over the Iran nuclear deal followed them home.

From the aerospace sector to Silicon Valley, engineering has a retention problem: Close to 40 percent of women with engineering degrees either leave the profession or never enter the field.