The number of U.S. children dying from gunshot wounds has climbed in recent years. Keeping guns out of reach is one way to curb the trend — others argue to teach kids to handle guns responsibly.

Two new studies show the unseen toll smoke is taking on people across the country. Climate change is likely to make the problem even bigger.

Haiti is on the verge of collapse, with little to no government. But many Haitians have already learned to live without the support of the state, as NPR discovered traveling to Cap-Haïtien.

Our sun was born in a cosmic cradle with thousands of other stars. Astrophysicists say they want to find these siblings in order to help answer the question: Are we alone out there?