The happy and dapper snowman on our cover, designed by the great German artistic duo Yeye Weller, is hoping you can give him a makeover. So bust out those markers, crayons, glitter, and glue, and make ...

In this space wallpaper, three impact craters of different sizes, arranged in the shape of a snowman, make up one of the most striking features on Vesta, as seen in this view from NASA's Dawn mission.

We now know what Ultima Thule looks like, and it's not a bowling pin. The first resolved photos of Ultima Thule have come in from NASA's New Horizons spacecraft, which zoomed past the frigid faraway ...