December 7, 2012 It's been 40 years since NASA launched Apollo 17, its final human mission to the moon. The commander of that mission says he'd love to give up his claim to fame as "the last man on the moon" but concedes that it probably won't happen in his lifetime. And future trips might be run by companies in the private sector.
December 5, 2012 "The night is nowhere as dark as we might think," says one scientist. How does your location light up the night?
December 2, 2012 There's a possibility the Mars rover has found signs of carbon-containing molecules on the red planet. That discovery is exciting because of what it might say about the Martian environment where the rover is sitting at the bottom of Gale crater.
November 26, 2012 NASA astrobiologist David Morrison has taken it upon himself to answer hundreds of questions about the science of doomsday predictions. At NASA's Ask an Astrobiologist site, Morrison thoughtfully responds to questions like: Will we have Christmas this year?
November 22, 2012 Candied yams with a touch of marshmallow cream are what the astronauts on the International Space Station are looking forward to eating for their Thanksgiving feast today. That and a little irradiated smoked turkey, courtesy of NASA.
November 19, 2012 Look at this rocket ship. It is big. It is complicated. We could use long words to describe what's in it, or we could use short words. The author, cartoonist Randall Munroe, chooses short words. Ridiculously short words. Some will sneer. I cheer.