Scientists studying HIV and Ebola have noticed another virus hitching along for the ride in some blood samples. Now they're trying to figure out whether the lurker helps the body fend off disease.
A Pew Research Center study shows that the two groups disagree most strongly on the safety of GM foods, the use of animals in research, climate change and human evolution.
A new report from two environmental groups reviewed the recyclability and compostability of packaging from 47 food companies. It found few examples of companies that have prioritized waste reduction.
Pedro Leonardo Mascheroni, 79, was sentenced to five years in jail after he told FBI agents posing as Venezuelan officials that he could design and supervise the building of 40 weapons.
Researchers asked this question: Is a company better off spending big money for a Super Bowl ad or buying several spots for that same amount of money at a less expensive time of the year?
It's been nearly 100 years since a sighting of a Sierra Nevada red fox was documented in Yosemite National Park, according to park staff.
Physicist Charles Townes died Tuesday. He was a key inventor of the laser and won the Nobel Prize for his discovery in 1964. But his career didn't end there.
The market for single-serving coffee pods is dominated by Keurig's K-Cups. But they aren't recyclable, and critics say that's making a monster of an environmental mess. Meet the K-Cup Godzilla.
The British firm that developed the strain of mosquito says it has already tested the insect in tropical countries and found it can reduce populations of disease-carrying mosquitoes by 90 percent.
A cartogram posted on Reddit shows what the world looks like if you scale countries by their population. Watch out China! India is catching up with you.
New research shows that teenagers' brains aren't fully insulated, so the signals travel slowly when they need to make decisions. Neuroscientist Frances Jensen, who wrote The Teenage Brain, explains.
An Oregon company has developed a high-tech process for turning sewage into pure drinking water. Now it's asking the state for permission to give its recycled water to a group of home brewers.
A host of studies and popular reports tout the cognitive benefits of being bilingual. Is that because being bilingual has mental benefits, or because the science is biased?
The Obama administration announced on Tuesday that it will allow oil companies to drill off the southeastern Atlantic Coast. The move will also restrict access along parts of Alaska's coast.
Beef processors continue to block efforts to bring back Zilmax, a drug that makes cattle put on weight faster. Is it because they're concerned about animal welfare, or beef exports?
The administration says the reactors are good for the climate, good for American industry and for strengthening ties with India. But some worry the deal also has a dark side.
A team of Indian physicists has made a mathematical model that purports to explain why ants don't have traffic jams. NPR's Joe Palca explains as part of his series, Joe's Big Idea.
A rare large asteroid zipped very close to Earth Monday morning. NPR's Robert Siegel talks to Paul Chodas, head of the Jet Propulsion Laboratory's Near-Earth Object program, about the "close call."
Returning immediately to demanding physical or mental activities after a concussion can be bad for the brain, neuroscientists agree. But what about after symptoms resolve? How much rest is best?
A simple blood test can analyze bits of fetal DNA leaked in the mother's blood stream. It's less risky than invasive alternatives like amnio, but also doesn't tell as much about fetal health.