Ultima Thule is unlike anything we’ve seen in the solar system

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 bodies beyond Pluto. New Horizons made the farthest...

Rare Five Star System Discovered


Astronomers seem to have found a system of five linked stars in the depths of outer space. The stars consist of binary pairs and one of them has a single extra satellite. This is a unique find in the...