Sep 7, 2012 — Nobody imagined that the rings around Saturn might be fed by geysers. But some of the water vapor shot out by one of Saturn's moons actually makes it into orbit around the planet.
Nov 24, 2009 — This week, Michael Crichton's last book, ever, sails the seas of pirate adventure. In story collections: Alice Munro's strong and subtly mysterious women; Ha Jin's immigrants caught between two worlds. And a space-program history finds surprising drama in the unmanned voyages.