Thanks to an aggressive recovery effort, a species of tiny foxes endemic to California recovers in what researchers say is record time.
The recovery of the bald eagle is bad news for herons, loons and other rare birds. Their numbers are being decimated by eagles who prey upon them.
This Arctic species can live longer than any other known animal advanced enough to have a backbone, scientists say — maybe more than 500 years. Their muscles might hold clues that could help humans.
Eight people with serious spinal injuries who practiced hours of interaction with wearable machines for months regained lost feeling and some ability to move.
The popular annual Perseid meteor shower peaks Thursday night. If astronomical predictions hold true, it could be the best show in years.
Stargazers, get ready for something spectacular on Thursday. The annual Perseid meteor shower, already one of the most reliably impressive celestial events, promises to be especially good this year.
Puerto Rico has more reported cases of Zika than many other places in the region, and the number of cases continues to rise. Unfortunately, Zika is just one of the island's many problems.
Hundreds of elite endurance athletes were taking the prescription heart drug meldonium until it was banned in January. But a similar heart drug, telmisartan, is still allowed.
The study finds, in many cases, amounts barely higher than government guidelines allow, but significant levels in 66 water supplies. The chemicals are very persistent once in the environment.
You've got science questions — we've got answers! Or our astrophysicist, Adam Frank, does. So ask your big questions, and we'll give you short answers. Today he explores atoms in space.
Many of the most powerful antibiotics have lost their punch. Some Stanford students think they've found a different way to attack bacteria that the germs can't overcome.
Elderly hospital patients often arrive sick and leave worse off. But some hospitals are preventing these sharp declines by treating the elderly in units that minimize bedrest and spur mobility.
Science writer Ed Yong talks about his new book, which looks at diet and the microbiome and whether poop transplants and probiotics are all they're cracked up to be.
You may know the caddis fly as a fishing lure. But bioengineers hunting a better way to seal wounds and set bones say the larvae of these insects have a few tricks we should try to mimic.
Teens showed an image that was deemed to have lots of "likes" tended to also like the image. Seeing popular pictures also produced greater activation in the reward centers of the brain.
With the Olympics in full swing, we look at the myriad ways losing a competition can wreak havoc on our physical and mental health.
According to the research, hypertension is now a more common disease in low- and middle-income countries than in wealthy nations.
There's scant science to support the ancient Eastern therapy of cupping. But that hasn't stopped Olympians from trying it to ease pain and speed recovery.
There are hundreds of thousands of species of worm wriggling around the world. We made trading cards about six of them.
"There's something about waves that can get you into kind of a mental funk," one philosopher says. For NPR's summer science series, Joe Palca tries to answer the big question: What is a wave?