During sleep, the brain locks in existing memories and can even form new ones. Scientists say they are starting to understand how that happens. A midnight snack may interfere.
Converting the shells into biogas could provide most of the heat for a planned city of 200,000, engineers say. There's precedent in Australia, where macadamia nut shells are generating power.
A NASA computer model visualizes in detail where carbon dioxide is released, how it moves across the globe and how it's affected by the seasons.
Researchers gear up tests in West Africa to see whether blood from Ebola survivors can help people who are sick with the disease. This is part of a broader effort to test therapies in West Africa.
One challenge in evaluating the effectiveness of different medical procedures, is that patients behave differently after different procedures. Is this true for patients getting heart surgery?
Modafinil has been approved for treatment of narcolepsy, but it's often used to improve mental performance. The question is, does it work? A new study says probably not.
Faulty forms of the brain protein tau trigger tangles inside and outside brain cells of Alzheimer's patients. Scientists say figuring out how to stop bad tau's spread from cell to cell might be key.
An orbiting spacecraft caught the Philae lander bounding on the surface of Comet 67P/Churyumov–Gerasimenko. The lander sent home some scientific data before its batteries ran out.
The U.S. throws out 35 million tons of food each year. While many restaurants, supermarkets and food firms are taking responsibility, many consumers are not. A pilot EPA program aims to change that.
A stretch of unusually warm water is lingering off of the West Coast. Scientists are calling it "the blob." Fishermen are calling it the best the thing to happen to their industry in 20 years.
Farmers depend on "Big Data" these days, but some worry the companies collecting information about their operations might misuse it. New privacy guidelines are supposed to protect farmers' interests.
Meteorologists are annoyed by the hype around the phrase "polar vortex." This week's frigid snap, they say, was just a regular old cold front.
Rotavirus kills more than a half-million kids around the world each year. Now scientists have evidence that the secret to stopping it is hiding in the trillions of bacteria of our microbiome.
Found in late September along the California coast, "Pup 681" spent a month at the Monterey Aquarium before being transferred to her new home at the Shedd in Chicago.
A scientist who contributed to this week's triumphant comet landing mission has upset people by wearing a loud shirt that some say is sexist. On Twitter, people have dubbed the dispute "shirtstorm."
Researchers writing in the journal Science say that if the rate of global warming goes unchecked, the frequency of lightning strikes will increase by 50 percent.
Fearing that Philae's batteries won't last past Friday, engineers are looking at possible ways to help it get more power from its solar panels. One ray of hope: Its comet is heading toward the sun.
Psychologist Paul Bloom explains why prejudice is natural, rational and even moral — the key is to understand why we depend on it, and recognize when it leads us astray.
California likely produces more than half of all fresh food we eat in the U.S. Three years of severe drought is forcing farmers and ranchers to rethink just about everything about their businesses.
The astrophysicist has been tweeting about the science behind the film. In an interview with NPR, Tyson goes beyond those tweets, into wormholes, relatively and even a few spoilers.