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 …

Apr 3, 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.

Apr 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 …

Moon Phase for today and tonight with current lunar phase, illumination percentage and Moons age. Find out what the Moon Phase is on any other day of the year.

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

Apr 7, 2026 · NASA's Artemis II astronauts swung around the moon in their Orion spacecraft on Monday, coming within 4,067 miles of the lunar surface.

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 …

Interactive calculator/calendar to track moon phases. Moon path, visualizations, supermoons, blue moons, moonrise/sets, sky position, and more for any location.

Sep 7, 2023 · How big is the Moon? The Moon is Earth’s only permanent natural satellite, and it’s the fifth-largest satellite in our solar system. The Moon’s diameter is approximately 2,160 miles (3,475...

3 days ago · Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026. The Artemis 2 astronauts captured a unique image of the moon's "dark side" …