Hidden by sunlight today, the New Moon and three planets parade across the sky in the constellations Libra and Scorpius. One of those planets, Saturn, just had its biggest moons mapped in rich color ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

Stargazers will have the opportunity to view as many as seven planets in the night sky this month during an event that's sometimes called a "parade of planets" because the celestial bodies appear to ...