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Explore the Moon

Like Earth, the Moon has a day side and a night side, which change as the Moon rotates.
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Diagram of the Moon's phases
Moon Phases
Between four and seven times a year, Earth, Moon and Sun line up just right to create the cosmic-scale shadow show known as an eclipse.
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Composite of lunar eclipse phases over night sky
Eclipses
Several theories vie for dominance but most agree on one thing — Earth's Moon was born from destruction.
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Artist depiction of two planets colliding.
Moon Formation
What you need to know about humanity’s search for water on the Moon.
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Photo of a Moon's crater with superimposed illustration of a blue-green pool of water.
Discovery of Water on the Moon
What does “weather” mean on a world with practically no atmosphere? Explore extreme lunar surface conditions here.
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Render of the Moon's surface and the Sun
Weather on the Moon
Explore the Moon—landing sites, landscapes, rock samples, and more!
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Interactives
Interactives

Moon Phase and Libration 2023

This visualization shows the Moon's phase at hourly intervals throughout 2023, as viewed from the Northern hemisphere. Learn more ›
04:54 video

Lunar Landscapes

Malapert Massif

This massive mountain is also a candidate landing region for Artemis III, humanity’s return to the lunar surface.

Daily Moon Guide

Screenshot of a web app showing a the current phase of the Moon.

NASA's interactive map for observing the Moon each day of the year.