How many friends do Americans have? A survey crunched the numbers A study released this month from the Pew Research Center has delved into what friendship in the U.S. looks like, and just how much they mean to us. Manuela López Restrepo
Here's the available evidence of what happened at Al Ahli Arab Hospital in Gaza Videos and photos provide some clues, but much remains unknown about the horrific explosion at the site. Connie Hanzhang Jin
Russia is scrapping its ratification of a key nuclear test ban. Here's what that means The world's major nuclear powers haven't tested a bomb this century, but experts worry that may be about to change. Geoff Brumfiel
An eclipse chaser catches the 'ring of fire' event in New Mexico NPR's Scott Detrow talks with David Baron, who viewed Saturday's "Ring of Fire" eclipse from the badlands of New Mexico, about why he travels the world to view these celestial phenomena.
Here's how you can see Saturday's 'ring of fire' solar eclipse People in some areas of the western U.S. will be able to see the annular eclipse, when the moon passes directly in front of the sun. Experts urge viewers to watch the eclipse safely. Joe Hernandez
Take a peek at what NASA brought back from an asteroid Scientists are thrilled with the tiny asphalt-black rocks, and most of the sample hasn't even been revealed yet. Nell Greenfieldboyce
Making lawns more eco-friendly There's a growing movement to make Americans' lawns truly eco-friendly. NPR's Scott Detrow speaks with research ecologist Susannah Lerman about making lawns more sustainable.
Black holes can teach us how to live our best lives Black holes may seem like interstellar enigmas, but they hold some key lessons on how to move through the universe. Regina G. Barber
A Uruguayan physicist cracked a major code for renewable energy In an unlikely country, Uruguay, a particle physicist figured out how to convert energy grids to renewable energy. We tell the story of how he did it. Erika Beras
This MacArthur 'genius' knew the initial theory of COVID transmission was flawed When COVID-19 first emerged, Linsey Marr suspected right away it spread through the air. Time has proved this aerosols engineer right. Now she's being honored with a MacArthur "genius grant." Gabriel Spitzer