Though such alignments aren't unheard of, this particular formation was special due to the sheer number of planets visible ...

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...