The DNA in this ancient Siberian leg bone shows that the man had Neanderthal ancestors — yet more proof that humans and Neanderthals interbred. And he lived much farther north than expected.
Just because the Food and Drug Administration recalls a supplement because it contains dangerous substances, doesn't mean the product disappears from the market.
The World Health Organization says two vaccine candidates now undergoing small-scale tests of dosage and safety in people might be ready for broader deployment in Africa by early 2015.
Officials in Galveston, Texas, meant well when they tested a passenger while she was still at sea. But some say the rush (which included a U.S. Coast Guard helicopter) was needlessly alarming.
Host Audie Cornish talks with Drew Gronewold, a hydrologist at the National Oceanic and Atmospheric Administration, about why water levels in lakes Superior, Michigan and Huron are rising.
Many scientists believe that a diet of nuts, seeds and other tough, brittle foods shaped our faces, but a June study in Biological Reviews suggests that violence had a heavier hand in its evolution.
The Department of Defense says climate change is an "immediate risk" to the nation. Admiral David Titley talks with NPR's Rachel Martin about how the military must respond.
A "mountain-sized" comet known as Siding Spring will pass very close to the Red Planet, where orbiters from the U.S., Europe and India, hope to get close - but not too close — to the action.
The federal government will suspend funding while it reviews the potential risks and benefits of certain experiments with three viruses: SARS, MERS and influenza.
NASA says it plans to replace the digital countdown timer that's featured prominently in broadcasts and images of Kennedy Space Center launches ever since the second moon landing mission 45 years ago.
Previous research found that going on Medicaid increased a poor person's use of costly emergency room visits. Now an analysis suggests that initial spike in ER visits quickly tapers off.
Just a few years ago, authors were predicting production would soon hit a peak and then decline. But since then, supplies have surged. So are the forecasters now slapping themselves in the head?
Apeel Sciences hopes its products, which use natural methods to fend off pests and oxidization, can markedly reduce the amount of produce wasted because of spoilage.
Labels like "organic" and "grass-fed" don't capture the beef industry's true environmental impact, researchers say. Why not have a label that assesses water use, land use and greenhouse gas emissions?
Termites and mung beans are among the ingredients that can bring better nutrition to the 800 million undernourished people in the lower income world.
Farmers will be able to plant types of corn and soybeans that can tolerate doses of two weedkillers. It may be one of the most significant developments the world of weedkilling in more than a decade.
For the first time, scientists are reporting that human embryonic stem cells may be helping treat patients — in one instance, the cells seem to been enabling some blind people to see better.
Cells derived from embryos appear to have improved vision in more than half of the 18 patients who had become legally blind because of two progressive, currently incurable eye diseases.
Most of the noise created by natural gas development is temporary. After drilling and fracking, the workers and equipment are gone. But compressor stations can stay noisy for years — even decades.
Women's voices are often criticized, especially at work. We're called "shrill," told we "lack authority." Here's the story of two women who changed their voices in a quest to be heard.