Being the furthest planet from Earth, we don't know much about Neptune, but recent observations have revealed something glowing in its sky.

At last, the set is complete. Auroras have been seen on every single planet in the Solar System, revealing that the phenomenon is not just widespread, but a feature of the interaction between planets ...

forming a wide triangle with the planets Venus and Saturn. Dazzling Venus should be no problem to sight through the bright glow of dawn, but the slender lunar sliver, positioned 5 degrees to the ...