Moon - Wikipedia
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 …
Earth's Moon - Science@NASA
Jan 29, 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.
Moon Phases Calendar: What's the Moon Phase Today?
Feb 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 …
Phases of the Moon - timeanddate.com
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 …
Everything you need to know about the Moon - Astronomy.com
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...
Moon 101 - National Geographic Society
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 …
Scientists Say They May Have Found a Long-Lost Lunar Lander ...
9 hours ago · Scientists Say They May Have Found a Long-Lost Lunar Lander—the First to Successfully Touch Down on the Moon 60 Years Ago Data from a NASA lunar orbiter has helped researchers …