The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

The Deuteronilus Cavus crater has been shaped by water, wind, ice and volcanic erosion over billions of years, showcasing ...

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

For decades, Pluto was thought to be just another frozen rock spinning around the Sun, far from the action and mystery of the ...