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 …

Apr 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.

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

1 day ago · 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 …

10 hours ago · Current moon phase, including information about its position, illumination, moonrise, and moonset.

1 day ago · NASA released more than 12,000 new photos from the Artemis II moon mission. See the stunning images from the lunar journey.

6 days ago · 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 …

6 days ago · The May full moon rises at sunset tonight! Here's what you need to know as the full "Flower Moon" takes to the spring sky on May 1 and when to look out for a rare "Blue Moon" later in the...

New Moon and Full Moon calendar with precise times and simulation of the Moon phase today. When is the next Full Moon?

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.