It turns out Ultima Thule is a kind of lumpy space snowman. If you've been following NASA's New Horizons spacecraft, you know Ultima Thule is an object in Kuiper Belt, the donut-shaped region of icy ...

The past two days have been incredibly exciting for NASA and its New Horizons spacecraft. The probe made its much-anticipated flyby of the mysterious Solar System object called Ultima Thule early on ...

Sorry, Ultima Thule: no corn cob pipe or button nose for you. After initially thinking it looked like a reddish snowman, because of its two components, the icy object ...