First Planet Confirmed Within "Habitable Zone" According to NASA

Of the thousands of planets that could possibly hold life, only one (so far) has been confirmed to be within the "perfect" location for liquefaction of water (as opposed to being on the edge). Read the full article on Kepler-22b here.

'Up' is an arbitrary idea

I like this map with south at the top and north at the bottom. When you think about it, the decision to do it one way or the other is arbitrary from the perspective of someone on the planet. (Click on the map for a larger view.)