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 …

Dec 17, 2025 · The Earth and Moon are tidally locked. Their rotations are so in sync we only see one side of the Moon. Humans didn't see the lunar far side until a Soviet spacecraft flew past …

21 hours ago · Here's what to expect when the "Wolf Moon" prowls over the horizon tonight, kicking off a spectacular natural light show as the first full moon (and supermoon) of 2026.

18 hours ago · The first full moon of 2026 will be a special event known as a supermoon. Here's what it means and when it will peak.

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 …

Dec 26, 2025 · 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 …

3 days ago · The NASA Artemis II mission, set to lift off as soon as February, will mark the first time astronauts have aimed to venture beyond near-Earth orbit since 1972.

Oct 28, 2025 · The Moon phase calculator shows exact times of the various moon phases for Indianapolis, Indiana, USA in year 2025 or in other locations and years.

Dec 23, 2025 · When does the next full moon rise? Find out exactly when to see the full moons of 2026, including the full "Wolf Moon" supermoon in January.

With our 2026 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month.