What price do you put on scientific discovery? From the way Twitter lit up last week when the Philae spacecraft touched down on Comet 67P/Churyumov–Gerasimenko — it was a top-trending topic for a while — it appears there’s a lot of discussion going on about the Rosetta mission and its value to humanity. A recent … Continue reading "Infographic: The Rosetta Comet-Probing Mission Cost As Much As Four Jetliners"