Behind the walls at Emerson High School in Oklahoma City, construction workers found old chalkboards with drawings and class lessons, written almost a century ago and in remarkable condition.
When the Pentagon revealed it secretly exposed enlisted men to mustard gas during WWII, VA officials promised disability benefits. But an NPR investigation finds that most were never contacted.
Driven by new regulations and fracking, more coal power plants are retiring for cheaper, cleaner-burning natural gas. But scientists have yet to work out the fossil fuel's imperfect climate footprint.
In just 18 months, China has created more than 2,000 acres of new land where before there were just waves and reef, according to the U.S., which sees the work as a threat to regional stability.
For many Americans, an NPR poll suggests, walking is their most consistent exercise. But how much can a moderately paced walk really help your health?
When Sen. Marco Rubio's parents came to the U.S., they put down roots in West Miami, a nearly all-Cuban neighborhood. That's where the senator and his family still live.
For the first time ever, the U.S. Army Corps of Engineers has closed part of a navigable waterway to stem the migration of an invasive species.
A video shows a man approach the prison with a bag, which is hoisted up the prison wall and disappears out of view. Does this security lapse have anything to do with the escaped cons?
Eurozone leaders are to meet in Brussels on Monday in a hastily called summit aimed at resolving the Greek debt crisis. Greece has until the end of the month to make a huge debt payment to the IMF.
While the Pentagon acknowledged years ago that it used American servicemen in World War II mustard gas experiments, NPR found new details about tests that grouped subjects by the color of their skin.