Mars is a winter wonderland at night

When you think of the surface of Mars you probably think of a dusty, largely featureless wasteland of orange dust and jagged rocks right? Thanks to countless photos and videos delivered by rovers exploring the red planet, we've all grown to think of it as a big ball of barren nothingness, but that might not actually be the case -- at least if you're hanging out on one of its poles. New research suggests that it snows pretty regularly on Mars, as long as you know where and when to look. We've kno...