Researchers Reveal How Climate Change Killed Mars
Mars used to be much warmer and wetter than it is today. Scientists are unraveling the mystery of why it dried out.
Science
Powerful 'Gene Drive' Can Quickly Change An Entire Species
A genetic engineering technique raises hopes for eliminating diseases, such as malaria. But it is also sparking fears of unintended consequences if delicately balanced ecosystems are disrupted.
California Law Adds New Twist To Abortion, Religious Freedom Debate
A California law will soon require pregnancy centers that oppose abortion to provide notice to their clients of the availability of abortion services in the state. Clinics are crying foul — and suing.
The Brain's GPS May Also Help Us Map Our Memories
Brain cells that track our location also can track time and distance, a study finds. This could explain how the brain uses place and time to organize memories throughout our lives.
Physicists Probe Antimatter For Clues To How It All Began
Physicists don't know why there's more matter than antimatter in our universe. New research smashed together atoms of pure gold to look for clues.
Tribal Clinic Deploys A Gym To Fend Off Diabetes
The tribal health clinic in Lakeport, Calif., has a gym where patients of all ages with prediabetes get free fitness training, along with diet advice. The goal: Stop diabetes before it starts.
Keystone XL Pipeline Company Asks U.S. To Pause Review Of Application
TransCanada has asked the State Department to suspend its review of its permit to build the Keystone XL Pipeline Monday until Nebraska decides on its route.
Nebraskan Farmer Voices Opposition To Keystone XL Pipeline
NPR's Robert Siegel talks to Jenni Harrington, a fifth generation Nebraskan farmer, about the suspension of the permit to build the Keystone XL pipeline, which would run through her town.
Why No Love For Twitter's Hearts?
Twitter changed its "favorite" icon from a yellow star to a red heart. Twitter users aren't loving it, but NPR's social science correspondent Shankar Vedantam predicts it's just a matter of time.
Tropical Cyclone Chapala Batters War-Torn Yemen's Southern Coast
Thousands flee war-torn Yemen as tropical cyclone Chapala batters its southern coast. NPR's Kelly McEvers talks with journalist Iona Craig for the latest on the storm.