Washington state let about 3,200 felons out early over 12 years because of a software glitch. Now it's tracking them down, and finding some have re-offended while they should've been behind bars.
Europe has extracted natural gas from organic waste for about a decade, and now it's spreading to the U.S. In Colorado, efforts are under way to produce natural gas from human waste and food scraps.
Starting Jan. 1, midsize companies must offer health insurance to their workers or risk a penalty. A firm that has already faced that problem is helping low-paid employees enroll in Medicaid, instead.
California's historic drought provided a glimpse of what skiing might be like with climate change. Industry executives are counting on their customers being flexible in the years ahead.
When Muslim women in headscarves appear on TV, it's often in the context of hate crimes, terrorism or politics. But in 2015, TV showed hijab-wearing women joking, coding and cooking up a storm.
Ethiopia is grappling with an epic drought that could lead to famine. Here's why the world isn't stepping up.
Returns of toys and gadgets add up to more than $260 billion every year. Optoro, a startup in Maryland, tries to reduce the cost to retailers, and the cost to the environment.
Hold out your hand for a century, and 100 million particles of dark matter will pass through each second without leaving a trace. Still, a physicist in South Dakota thinks he may be able to catch one.
NPR's senior education correspondent offers his predictions for the big stories in K-12 and higher education.
As homeowners embrace solar, utilities are making less money, and that's shaking up their business model. Companies in California and Georgia are handling the growth in dramatically different ways.