Planetary alignments occur when multiple planets from our solar system appear together in the night sky. There are four major categories of planetary alignments: mini (3 planets), small (4), large ...

A rare celestial occasion will light up the Saturday evening skyline, featuring a bright six-planet parade in a special planetary alignment visible to stargazers. Mercury, Venus, Neptune, Saturn, ...

Mercury is due to join Venus and Jupiter in the night sky for an uncommon celestial event commonly known as a planet parade. Here's how to catch it.

This weekend is the last chance to see any of February’s much-hyped “planet parade” or “planetary parade” before it completely fades from view. While six planets are technically above the horizon ...

Mercury, Saturn, Mars, and Neptune will compactly align in the sky on the morning of April 18 in an event astronomers call a planetary alignment. While the peak viewing hours of the alignment are on ...

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 ...

Planet parades are how many stargazers refer to the events when the planets form a straight line and look like they're marching across the night sky. The "planetary parade" in which six planets reach ...