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 …

2 days ago · 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.

4 days 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 …

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 · Current moon phase, including information about its position, illumination, moonrise, and moonset.

May 1, 2026 · Use our Moon Phase Calendar to find dates and times of the full Moon, new Moon, and every phase in between. Beyond the phases of the Moon, you will also see daily Moon illumination …

Explore the current phase of the moon, its rise and set times, nightly motion across the sky, and discover lunar features with our interactive map. Stay informed about the celestial movements above.

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

Find the Moon’s illumination, distance, and latitude for any time on any date. The Moon has four primary and four intermediate lunar phases during a lunar month. Here's all you need to know about each …

2 days ago · The ongoing military conflict regarding Iran and the Strait of Hormuz may well mirror a future situation off-Earth — the use of cislunar space, the region between the moon and our planet.