Congress moves to loosen toxic air pollution rules The House and Senate both voted to loosen regulations on air pollutants like dioxin and mercury, which are associated with higher cancer risk. Alejandra Borunda
Scientists want to track the world's biodiversity using DNA in the air Scientists have found a way to sample DNA out of the air on a large scale — making it possible to one day track the health and well being of all kinds of species around the world. Ari Daniel
First FDA-cleared Alzheimer's blood test could make diagnoses faster, more accurate The first Alzheimer's blood test cleared by the Food And Drug Administration is poised to change the way doctors diagnose and treat the disease. Jon Hamilton
A brain-dead woman's pregnancy raises questions about Georgia's abortion law A Georgia woman declared brain dead is being kept on life support because she is pregnant. It raises complicated legal questions about restrictive abortion laws in Georgia and other states. Sam Gringlas
Trump unveils ambitious and expensive plans for 'Golden Dome' missile defense The plan includes a vast array of space-based sensors and interceptors. Geoff Brumfiel
A broken thruster jeopardized Voyager 1, but engineers executed a remote fix NASA mission controllers raced against time to find a solution before a crucial ground-based radio used for communicating with Voyagers 1 and 2, went offline for upgrades. Scott Neuman
Researchers puzzle over rash of baby monkey kidnappings Young, male capuchin monkeys have started kidnapping the babies of nearby howler monkeys. Why? Maybe boredom. Nell Greenfieldboyce
Where does your weather forecast come from? Whether you get your forecast from an app on your phone, a website or a meteorologist on TV, most of the underlying information comes from the federal government. Rebecca Hersher
Paleontologists discover a 500-million-year-old, 3-eyed predator Fossils of the underwater predator shed new light on biodiversity from the Cambrian period. Alana Wise
The 'Purdubik's Cube' solves the beloved puzzle in record time NPR's Ailsa Chang talks with Matthew Petrohay about his team's undergraduate project at Purdue University. They built a robot that set a new world record for shortest time to solve a Rubik's cube. Ailsa Chang