NPR's Ailsa Chang talks with Regina Barber and Berly McCoy of Short Wave about the formation of the moon's wispy atmosphere, sea lion cameras and the Perseid meteor shower. It's time now for our ...

Far below the gaseous atmospheric shroud on Saturn's largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Astronomers have estimated that sea to be at least 1,000-feet deep near its ...

The largest lunar feature in the vicinity of Shioli is the Sea of Nectar, a basin 210 miles (339 kilometers) in diameter that is one of the oldest on the near side of the moon, the hemisphere that ...