Some spa-like clinics will inject an expensive mix of water and vitamins into your bloodstream, ostensibly to ward off illness and boost energy. But can't drinking fluids offer the same benefit?
More rain is expected for Washington state and Oregon on Sunday, after a storm downed trees and flooded roads across the region.
Climbing drug prices are taking a toll on West Virginia's budget, some state legislators say. Expensive drugs fuel an increase in Medicaid spending, which leaves less money for schools and roads.
Reducing food waste is complicated, but the clearest success story may be the United Kingdom, where households cut the amount of food they wasted by about 20 percent.
A new study finds there are about 2 trillion galaxies in the observable universe, up from about 200 billion. It's the first major revision to that number since the 1990s.
A distant planet has rings so large it makes Saturn look like a child's toy. But, until now, scientists have been baffled about how the enormous rings keep from self-destructing. The answer: spin.
"Based on what we know, this shouldn't be happening, but it definitely is," Harvard fellow Paul Shamble says. The researchers' finding changes what we know about how spiders experience the world.
It can be hard for different animals to get along, but Pea and Jotto have figured it out.
So far this year, more than 1 in 4 donations in New England are from people who died after a drug overdose — a much higher rate than in the U.S. overall, though it's not clear why.
Blogger Alva Noë looks at new research showing apes understand what we think: They are able to differentiate how someone thinks something to be from how it actually is.
A mind-controlled robotic arm has pressure sensors in each fingertip that send signals directly to a paralyzed man's brain. It's still experimental, but could eventually help thousands, engineers say.
The Category 3 storm has maximum sustained winds of 125 miles per hour. The National Hurricane Center calls it "extremely dangerous."
American farmers receive billions of dollars each year in "conservation payments" that are intended to protect the environment. Some environmentalists think the payments deserve scrutiny - and reform.
Economic disruption has been a big part of the political conversation. Free trade might be a net benefit to the U.S., but there are large areas of the country that bear the brunt of negative effects.
On Tuesday, activists targeted five pipelines carrying crude oil into the U.S. from Canada, as construction resumed on a North Dakota pipeline. Twenty-seven protesters were arrested.
President Obama has once again declared that humans should go to Mars by the 2030s. NPR looks back on his eight years in office to see whether he's put NASA on track to get there.
Climate change is threatening the world's coffee, a new report says. In the biggest coffee supplier on the planet, Brazil, rising temperatures are being felt to devastating effect.
Author John Hudak says federal law makes it hard to prove the medicinal value of marijuana. "As a Schedule 1 drug, it is very difficult to do research on the plant," he explains.
Researchers often combine the results of many medical studies to evaluate treatments. But when the combiners have a financial interest, the results might be inaccurate, a scientist says.
In an op-ed for CNN, the president wrote that he hopes to one day look at the night sky with his grandchildren and tell them that humans are living on Mars.