Not Io related, but still interesting. There is a new special issue in Science on results from the MESSENGER flyby of Mercury this past January. One of the most interesting results were from FIPS instrument which suggested the presence of water ions in Mercury's rarefied atmosphere.
In the last day, I've been playing around the with the images of Mercury taken by MESSENGER last January. Here are a selection:
I work for the Cassini Imaging team, usually processing Titan and Enceladus images and making maps of Titan based on our images. When I am not working or studying, I'm...I forget. I watch a lot of movies I guess.