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 …

Dec 29, 2025 · Like Earth, the Moon has a day side and a night side, which change as the Moon rotates. The Sun always illuminates half of the Moon while the other half remains dark.

1 day ago · Discover fascinating Moon facts—from its size and orbit to gravity, brightness, and temperature. Learn what makes Earth’s Moon truly unique.

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 …

Jan 13, 2026 · Today's lunar phases, including the moon age and details such as moonrise and moonset. Discover when the moon will reach the full moon phase with a countdown timer.

Jan 15, 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 …

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 …

5 days ago · The rollout sets the stage for tests and dress rehearsals ahead of NASA's first crewed flight to the moon in more than 50 years. The mission could launch in three weeks.

2 days ago · Today's lunar phase in Dallas texas, United States, the moon is in 🌒 the Waxing Crescent phase, with 5.71% illumination, with an age of 2.27 days. The current distance between Dallas texas, …

1 day ago · #waxingcrescent #waxingcrescentmoon #moon #moonshine #amazed #amazingnature 🌙 Right now in Dallas, Texas (January 21, 2026), the Moon is in a Waxing Crescent phase. That …