When Casey invited me to participate in last Friday's "Sagan Slam," I wasn't sure what I would read, but I found a great letter of his explaining why women, as well as men, should be considered among the world's great explorers.
The Planetary Society has invited a few friends of Carl Sagan's to a celebration of his birth and his legacy. Watch the live webcast featuring physicist Kip Thorne, Contact Executive Producer Lynda Obst and much more!
I asked Mars Reconnaissance Orbiter to take a photo, and it turned out better than I had imagined: an incredibly fresh, well-preserved, dramatically rayed oblique impact crater.
This week's Cosmoquest Astronomy Hour Google+ Hangout at 1600 PDT / 2300 UTC on Wednesday will feature Pamela Conrad, the deputy principal investigator for Curiosity's Sample Analysis at Mars (SAM) instrument. Tune in to learn more about how this experiment will change our view of Mars, and to ask your questions!