Nearly a million embryos are in frozen storage in the U.S. Some couples feel ambivalent, even after their family is complete, so put off deciding what to do with what some call their 'maybe babies.'
An extraordinary effort to limit a widespread fish kill comes a week before the centennial celebration of the National Park Service.
July 2016 was Earth's hottest month on record. And Arctic ice has shrunk this year almost as much as it did in 2012 — the most severe melt to date.
When Dr. Daniel J. Levitin, a McGill University cognitive neuroscientist, mapped the brain of musician Sting in 2007, he found that a musically trained mind will make deep connections to different types of music.
Two American astronauts are installing a new docking port that will allow astronauts traveling with private companies to enter the International Space Station.
Entrepreneurs hope that, instead of paying bottom dollar for produce that might otherwise have ended up in the landfill, customers will pony up for high-end foods made from rescued ingredients.
Researchers find that long waiting times for surgery are not associated with worse health outcomes for patients. The study involved patients waiting for surgery in England.
Rising sea levels have eroded Shishmaref for many years. Now, the Inupiat Eskimo village has voted to move. One resident told NPR that it's a matter of protecting their unique community.
Residents of Shishmaref, Alaska, voted this week to relocate their village to escape rising sea levels. NPR's Ari Shapiro talks to Esau Sinnok, a Sishmaref native and an Arctic Youth ambassador, about the decision to move.
Contact lenses seem safe and easy, but a CDC analysis shows people can get serious eye infections from them. The usual culprits: Wearing them too long, and failing to be meticulous about cleaning.
Ed Yong, author of I Contain Multitudes, says someday we might be able to improve our health by taking probiotics, but "we are still in the very early stages of working out how to do this."
Processed meats used in hot dogs and hamburgers are high in levels of salt and fat. Some scientists want to boost these foods' nutritional profile by adding seaweed to the meats.
These middle schoolers built a 200-pound human brain on wheels. Will it survive the eight-hour race through the streets of Baltimore?
Some genetic tests for a common cause of sudden heart failure can be wrong, researchers say, because the underlying science didn't take into account racial diversity.
Economists call it the social cost of carbon. A single number that is supposed to reflect all of the costs society incurs when people burn fossil fuels. That number is now part of federal regulations, and some industries aren't happy.
Opioids lock to a receptor in the brain that controls pain relief, pleasure and need. A new compound may offer relief without as much risk of addiction or overdose. But it's only been tested in mice.
Groups of walruses are vulnerable to disturbances, but it's hard to avoid them if you don't know where they are. A new tool from U.S. and Russian researchers draws on history to protect the animals.