A six-pack of planets will line up and light up the night sky this month, folks. Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will align for our viewing pleasure — from now until mid-February. When was the last time all the planets aligned?

"This is, incidentally, why we sometimes observe planets appearing to approach closely to each other on the sky, as we view them along a line while they careen around the cosmic r

Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the planet parade.