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.