How do they get the brilliant sparks of red, white and blue in fireworks displays? NPR's Eric Westervelt talks with Harry Gilliam, founder of Skylighter, a supplier for pyrotechnics in Round Hill, Va.
Members of the classic rock band Styx visited NASA mission control for New Horizon, the space probe that discovered Pluto's smallest moon, Styx.
André Borschberg, flying Solar Impulse 2, set a new record of 120 hours in the cockpit on a journey from Japan to Hawaii.
The liftoff of the Soyuz Progress 60P was a relief to astronauts and cosmonauts aboard the International Space Station after two previous resupply missions — one Russian and one American — failed.
The White House has ordered a review of the government's system for regulating products of biotechnology, including genetically modified crops. That system has been controversial from the start.
NPR's Rachel Martin talks with Bethany Kraft, director of the Gulf Restoration Program at Ocean Conservancy, about the BP spill's impact on the environment to date.
Oil giant BP agreed to pay $18.7 billion in a settlement announced on Friday by Gulf Coast states and the federal government. The deal pays for the harm from BP's 2010 Gulf of Mexico oil spill, which was the worst in U.S. history. The accident killed 11 rig workers.
Research on the psychological effects of racism, especially on people of color, is still in the early stages. But psychologists warn that events like the Charleston shooting can cause serious stress.
A clump of a mammoth's fur bought on eBay led scientists to a long list of ways the extinct species was special. One specific gene likely played a role in helping mammoths thrive in icy weather.
Just because you can get your children's genome sequenced doesn't mean it's going to do their health any good, a report finds. Most benefits from genetic medicine come from a tight focus.
Organic farmers say they need crop varieties that were bred specifically for conditions on their farms. Clif Bar & Company decided to back their cause with up to $10 million in grants.
A clever device uses technology developed by the military to make chlorine quickly and cheaply. The goal is to give schools and hospitals around the world an easy way to purify water.
After a string of launch failures, NASA says astronauts have just four months of supplies left. A Russian rocket launching early Friday could provide relief.
Reviews on TripAdvisor or Yelp by tourists tend to be significantly more lenient than reviews by locals. Reviews written a long time after the reviewer visits the restaurant are similarly lenient.
When people saw photos that linked a famous person with a famous place, it changed the behavior of certain neurons in their brains. And it changed their memories, too.
Federal fisheries researchers says their survey found about 10 billion scallops in waters off Delaware and southern New Jersey. They're predicting a boom for the nation's most valuable fishery.
In NPR's most recent poll a majority of American adults say they played sports in their youth. Many say they encourage their kids to play, too, and see health benefits as well as life-long lessons.
There is an extra "leap" second in Tuesday's clock. The second is designed to keep the clocks in synch with earth's rotation, but some people would like to take it away.
Entrepreneurs are turning to Oak Ridge National Lab's supercomputer to make all sorts of things, including maps that are much more accurate in predicting how a neighborhood will fare in a flood.
NASA says the two bright planets will be "a jaw-dropping one-third of a degree apart" around sunset. It's the closest they'll come in their current 24-year cycle.