Water and Mercury do mix!

In a press conference held on July 3, scientists announced that the MESSENGER probe has detected water in the very tenuous atmosphere surrounding Mercury. It's OK if you want to read that again. I had to comically rub my eyes with my fists myself. I needn't go into details, since Emily has a thorough article about it. While this is truly weird, it's not entirely unexplainable. But still. Wow.