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

The six planets were visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, Venus, Jupiter and Saturn should be visible to the naked eye. You'll need a ...

A parade of planets will be visible to skywatchers around the globe through the rest of this month and into February.

In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...