There have been calls for police reforms since 2014, but there are practical limits to how fast a willingness to change can translate into its actually happening.
The U.N. has set the goal of eliminating extreme poverty and reducing the toll of disease by 2030. But there's a surprising obstacle.
Scientists have discovered a soil microbe with a gene that kills the corn rootworm, an insect that farmers spend $1 billion each year trying to control.
A Swedish biologist wants to change the genes of healthy human embryos to find ways to treat infertility and other diseases. The experiments intensify ethical questions about genetic engineering.
Executive Editor Dean Baquet says "it would almost be illiterate" to call Donald Trump's longstanding claim that President Obama was born outside the U.S. anything but a lie.
Law and order have been a major theme this year on the campaign trail. But that means very different things to the two major party presidential candidates.
What can a city in decline do to make a comeback? In Springfield, Ohio, a new school is trying to turn the tide. But local leaders say keeping young people from moving away is key to economic revival.
Drug resistance is no longer a matter of health. It could have massive implications for the world's economy and food supply.
Capt. William Prickitt commanded a company of black soldiers during the Civil War. When he took ill, they saved him. A photo album that he carried the rest of his life has preserved their identities.
"I'm very clear that we're going to make a success of coming out of the European Union," the British prime minister tells NPR's Steve Inskeep.