Blobs in space emitting eerie, unexplained light have been puzzling astronomers for more than 15 years. Now, they think they are on to the cause of the mysterious glow.
In an effort to turn away from chemical pesticides, which have the potential to damage the environment, some farmers are looking in a new direction in the age-old struggle against pests.
Pregnant women in South Florida can get free Zika tests through the state's health department. But delays in getting back the results are heightening worries and may affect medical options.
A study of 17 people who have been blind since birth found that areas of the brain usually devoted to visual information become active when a blind person is solving math problems.
The U.N. General Assembly will devote an entire day to the issue of superbugs and antibiotic resistance. Dr. Keiji Fukuda leads the WHO's work on the issue.
The Environmental Protection Agency says that the country's most widely used weedkiller, glyphosate, does not cause cancer. The chemical has been under intense international scrutiny.
NPR's Scott Simon talks to Dr. Michael Jacobson of the Center for Science in the Public Interest about the state of industry-sponsored research and how it might influence medical and policy advice.
Doctors can now marshal patients' immune systems to fight some cancers. Yet many people don't respond to immunotherapy, and the costs of treatment can be astronomical.
The aim is to make clinical trial data available to volunteers and scientists, even if a drug or therapy being tested turns out to be a failure. That could help identify serious side effects.
People are playing Pokemon Go while behind the wheel — and then tweeting about it. And causing crashes. Immersive games like this can be even more dangerous than texting, researchers say.
Researchers found by telling people the risk of HIV is lower than they thought, they get people to act in safer ways. But when people think the risk is very high, they sometimes act less responsibly.
Research on patients with testicular cancer and on others fighting a brain malignancy finds that people who are privately insured are more likely to be diagnosed earlier and survive longer.
Military bases turn out to be a haven for endangered species. A decision long ago by the military that working with conservationists was a better strategy than fighting them is one of the reasons why.
Doctors have long thought that cat-scratch fever is no big deal, but an analysis finds that more people are getting sicker from it. Small children are especially at risk, as are people in the South.
The vaccine is already showing up in drugstores, but maybe wait until Halloween to get the shot, doctors say, especially if you're over 65 and want to be protected against flu this winter.
Flood managers suspect August's big rainstorms and floods in Louisiana are becoming more common there and elsewhere because of climate change. One clue: Much of the damage was beyond the flood plain.
People talk a lot about the warming of the Earth by a few degrees. Now a cartoon shows you what it looks like.
A recent study revealed the sugar industry's efforts 50 years ago to shape medical opinion on how sugar affects health. But today, scores of companies continue to fund food and nutrition studies.
The controversial TV host Dr. Mehmet Oz declared the GOP presidential nominee to be "very healthy" though Donald Trump said he needs to lose weight and didn't apologize for an affinity for fast food.
Doctors worry that requiring patients to see a separate genetic counselor will keep them from getting tested for mutations that significantly increase the risk of breast and ovarian cancer.