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Observe the Moon

Registration is now open for International Observe the Moon Night on October 1, 2022! Here’s how you can join the global community of lunar enthusiasts. Observe ›

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Uncovering Lunar Water

There’s water on the Moon. Follow the thread of discoveries that led up to the confirmation of its presence in 2020. More ›

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Top Moon Questions

What do you wonder about Earth’s Moon? Find the answers to some of your most frequently asked questions. More ›

Explore the Moon

Info and tips for observing the Moon.

Silhouette of two people looking at the Moon in the sunset sky.

Viewing Guide

Why can I see the Moon during the day? And other frequently asked questions about our Moon.

Top Questions about Earth's Moon

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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Eclipses

Earth’s ocean tides result from an intricate dance of forces and motions. The Moon plays a starring role.

Tides

Like Earth, the Moon has a day side and a night side, which change as the Moon rotates.

Moon Phases

When the full moon is a little bit closer to us than usual, it appears especially large and bright in the sky.

A supermoon partially obscured by treeline in the foreground.

Supermoons

Moon Phase and Libration 2022

This visualization shows the Moon's phase at hourly intervals throughout 2022, as viewed from the Northern hemisphere. Learn more›

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To the Moon with Artemis

NASA’s Artemis missions usher in a new era of lunar exploration. Through Artemis, NASA will return humans to the lunar surface, paving the way for a long-term lunar presence. Credit: NASA/Cory Huston

Save the Date

Artistic graphic of silhouettes observing a first-quarter Moon. Text reads October 1, 2022.

Join us for International Observe the Moon Night. Celebrate lunar science and exploration with observers around the world on October 1, 2022.

News from NASA

Meet NASA's Orion Spacecraft

Orion, NASA’s newest spacecraft built for humans, is built to be capable of sending astronauts to the Moon and onto Mars.
CAPSTONE Launches to Test New Orbit for Artemis Missions

A microwave oven–sized CubeSat will test a unique, elliptical lunar orbit as a pathfinder for Gateway, a Moon-orbiting outpost that is part of NASA’s Artemis program.
Lunar Reconnaissance Orbiter Spots Rocket Impact Site

A rocket body impacted the Moon on March 4, 2022, with NASA's Lunar Reconnaissance Orbiter later spotting the resulting crater.