The number of Americans getting and dying from colorectal cancer has been dropping steadily except for one group — younger adults.
A new study looks at the future of the Canadian Arctic Archipelago and finds that by the end of this century, the region might be ice-free for 2 to 5 months, something that puts bears in grave peril.
Public health groups say lower levels will benefit people who suffer from asthma or other respiratory illnesses. Business groups say it's another expensive hoop to jump through.
Teenagers may not need as much face-to-face interaction as earlier generations to feel connected. And that may explain why a study finds they're not feeling as lonely, either.
The U.S. had planned to build 17 treatment units across Liberia, one in each county's major town. Now that more cases are appearing in remote areas, the Army may need to rethink its strategy.
Digital learning initiatives are spreading to schools across the country, but new research raises doubts about how well they work.
Vultures consume toxic bacteria that would sicken or kill humans. Stouter immune systems, colonies of helpful microbes and potent stomach acid may help the carrion eaters gorge with abandon.
Birds are one of the most widely studied forms of life on the planet. And, there are still new species out there to discover — as one young researcher found recently in a forest in Indonesia.
A woman is thought to be spreading Ebola in a remote village. So health workers spend four hours trekking through the bush to track her down. By the time they make it, it's too late.
Audie Cornish speaks with Mildred Dresselhaus about receiving the Presidential Medal of Freedom for her work in physics. The 84-year-old is a professor of Physics and Electrical Engineering at MIT.