Science

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?

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 processors are taking responsibility, many consumers aren't. An EPA pilot program aims to change that.

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.

Bear is traditional American grub, and hunting bear for meat can help control overpopulation. But bear meat isn't going to make its way into restaurants or onto the average dinner table anytime soon.

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.

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.

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."

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.

Do people with Ebola actually cry tears of blood? What happens if the U.S. Army thinks you might have Ebola? We catch up with science writer David Quammen to discuss truths and myths about the virus.

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.