Add Yahoo as a preferred source to see more of our stories on Google. Have you ever seen a planet parade, also known as a planetary alignment? That's when several planets in the night sky line up, ...

A rare celestial occasion will light up the Saturday evening skyline across California and the rest of the nation, featuring a bright six-planet parade in a special planetary alignment visible to ...

Add Yahoo as a preferred source to see more of our stories on Google. This weekend provides a rare treat for stargazers. Well, planets, to be more specific. Mercury, Venus, Neptune, Saturn, Uranus and ...

Planetary alignments are often misunderstood, but true alignments involving all major planets are extraordinarily rare. This video explores a specific configuration that last occurred centuries ago ...