In geophysical terms, the Moon is a planetary-mass object or satellite planet. Its mass is 1.2% that of the Earth, and its diameter is 3,474 km (2,159 mi), roughly one-quarter of Earth's (about as wide as the …

Mar 18, 2026 · The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history. Explore NASA lunar science here.

Mar 3, 2026 · With our 2026 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month.

1 day ago · Moon, Earth’s sole natural satellite and nearest celestial body. Known since prehistoric times, it is the brightest object in the sky after the Sun. Its name in English, like that of Earth, is of …

Nov 5, 2025 · Explore interesting moon facts, from its phases and orbit to tides, eclipses, surface features, and future lunar exploration.

What is the moon made of, and how did it form? Learn about the moon's violent origins, how its phases shaped the earliest calendars, and how humans first explored Earth's only natural satellite half a …

Track the moon phase today with our interactive moon phase calculator. Get details on the current moon phase and the next full moon date.

1 day ago · Today's lunar phases, including the moon age and details such as moonrise and moonset. Discover when the moon will reach the full moon phase with a countdown timer.

Mar 19, 2026 · Today's lunar phase in San antonio texas, United States, the moon is in 🌑 the New Moon phase, with 0.8% illumination, with an age of 0.84 days. The current distance between San antonio …

This page normally shows the current moon phase (in real time). The moon you see is a real picture from NASA. If you come back to this page frequently you can see the phases change (ie, from new …