Stargazers will be treated to a dazzling six-planet "alignment" this January.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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

You aren't too late to catch a glimpse of a so-called 'planet parade' in the night sky, although to see them all, you might want to grab a telescope.