The National Park Service is celebrating the 100th anniversary of its creation this year. NPR spends time on the job with workers in the country's busiest national park, Great Smoky Mountains National Park, to explore the vast variety of work the park service does and the challenges it's facing.
Multiple studies have found that rice-based foods contain traces of arsenic. Now a study finds babies fed rice cereals and other rice-based snacks have higher concentrations of arsenic in their urine.
Apple recently unveiled Liam, a robot with 29 arms that takes apart iPhones so materials can be recycled and reused. As we accumulate more waste, recycling robots like Liam might become more common.
About 38,000 runners competed in the London Marathon today – and one of them ran it in orbit 200 miles above Earth. British astronaut Tim Peake says microgravity is "perfect" for post-race recovery.
Solar Impulse 2 flew for three days from Hawaii to Calif., after a nine month delay for repairs. The team is aiming to complete a round-the-world journey using only the sun's power.
The reef is unusual because it lies in muddy waters, and scientists had only seen hints of its existence until recent research expeditions. They say it's already in danger because of oil drilling.
The premise of #NPRreads is simple: Correspondents, editors and producers from our newsroom share the pieces that have kept them reading and each weekend, we highlight some of the best stories.
Scott Simon talks with entomologist Jessica Purcell about her research into the ingenious strategy one kind of European ant uses to stay safe in floods: joining their bodies to form floating rafts.
Two recent reports on a Stanford Noble Laureate's efforts to change how undergraduate science education struck a nerve with many of you.
The World Resources Institute says you don't have to bid burgers bye-bye in order to reduce the environmental footprint of what you eat. Americans cutting back on beef could go a long way, it says.
Residents of these islands have waged many campaigns against disease-carrying mosquitoes. But there's still not much agreement at public meetings about how the mosquitoes should be controlled.
Why the world's poorest people are some of the most effective — and vulnerable — environmental activists.
Grizzly bears in Yellowstone may soon lose protection from the federal government. The U.S. Fish and Wildlife Service proposed taking the bears off the endangered species list, saying the population has recovered to a self-sustaining number. Opponents dispute that, in part because they say federal biologists aren't sufficiently accounting for climate change threatening their food sources.
Earth Day brings everything from special Google Doodles and beautiful views of our planet to the historic signing of an international climate agreement.
NIH Director Francis Collins has stopped research at two leading labs for now. But an independent board of experts wants even more oversight to ensure patient safety is the top priority.
Solar Impulse 2 is attempting to circumnavigate the world using only the sun's power. It has been grounded in Hawaii for repairs and is now on a three day journey heading to California.
No wonder we don't feel rested after a first night in a new place: Half of our brain has stayed alert while the other half enjoyed deeper sleep, a study finds. We really have been half-asleep.
The two nations topping the world in greenhouse gas emissions agreed at the Paris talks to cut way back. But critics have stalled a key part of the U.S. plan, and China's good start may be fragile.
Researchers say climate change has made weather more pleasant in many parts of the U.S. Winters have been milder, and summers haven't become much hotter. But that's likely to change in coming years.
The National Institutes of Health shut down some clinical trials and two production facilities due to concerns that safety rules haven't been followed, but says no patients appear to have been hurt.