Since we have some plantet-specific and mission-specific threads that I don't wish to taint, I thought I'd create a place where any type of new observations or discoveries (which don't have to do with Mars or Saturn) could be posted and discussed.
Entry 1: First ever "recorded supernova"
http://news.bbc.co.uk/2/hi/science/nature/7413160.stm
Though, depending on how far away that constellation is, it obviously happened light years ago. Otherwise we'd all be a charcoal briquette right now if it were closer than that.