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.
The humble writing implement has its roots in exploding stars, the French Revolution, the crown jewels of England and Walden pond.
The object known for now as 2014 QZ224 is only about 330 miles across and takes 1,100 years to orbit the sun. But one of the most interesting things about it is the way researchers found it.
Paternity leave can make a big difference in a dad's long-term engagement with the child, doctors find. Paid family leave also fosters breastfeeding and reduces the incidence of maternal depression.
Since California passed a statewide paid parental leave law, New Jersey, Rhode Island and New York have followed suit. Some think the state laws could be a model for a national paid leave policy.
For the past decade, no major hurricanes have come ashore along the East Coast or Gulf of Mexico. Hurricane Matthew is ending that lucky streak.
The giant poultry producer says that it is now raising all of its chickens without routine antibiotics. Only those flocks that get sick, about 5 percent of all birds, will be treated.
The impulsivity and risk-taking that are common among teenagers may be a side effect of having a brain tuned to learn a lot of new stuff fast, researchers say. So it could be good in the long run.