No new large planet on the outskirts of our solar system has yet been discovered, although evidence is building, astronomers say. By the way, if Planet 9 does exist … it's definitely not headed our way.
When the sun or a star transits, it's at its highest in the sky. Deneb's transit at nightfall marks a shift toward winter - or summer - depending on where you are.
Moon above bright Venus, on Tuesday morning. In this image from Hope Carter in Martin, Michigan, you can see 2 fainter "stars" to the right of the moon. The upper one is really another planet, Mars, and the lower one is a true star, Zavijava in the constellation Virgo.
