5. Silent for too many moments. Hope fades for Phobos-Grunt (but check out these remarkable photos by an amateur astronomer).
4. Are you ready for a closeup? Nifty new radar images of the south polar regions of Enceladus, source of water geysers.
3. Calling Carl Sagan fans. A brilliant and loving parody. The long lost episode of Cosmos: The Meat Planet (embedded below).
2. Arsenic update. Today, Dec. 2, is the one-year anniversary of the online publication of the “arsenic life” report that generated so much controversy. Alan Boyle’s written a good overview of the current state of affairs. The