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 …

3 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.

Apr 11, 2026 · Artemis II updates: Crew safely home after historic moon mission, undergoing medical evaluations NASA's four crew members became the first people to travel to the moon and back in …

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

3 days ago · Though a Full Moon only occurs during the exact moment when Earth, Moon, and Sun form a perfect alignment, to our eyes, the Moon seems Full for around three days.

Apr 22, 2026 · 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 …

Apr 7, 2026 · Earthset captured through the Orion spacecraft window at 6:41 p.m. ET on April 6 during the Artemis II crew's flyby of the moon. A muted blue Earth with bright white clouds sets behind the...

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.

Moon phases for 2026 or any year. New Moon and Full Moon calendar with precise times and simulation of the Moon phase today. When is the next Full Moon?

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.