Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

It takes the moon about 27 days to orbit the Earth. What makes it go round? It is the gravitational attraction of the Earth on the moon. Due to the moon's velocity, the Earth keeps pulling the moon towards it without the moon actually getting closer to the ...

The Moon appears unchanging in the night sky, but its movement hides a slow transformation. For decades, scientists have observed that our satellite is gradually moving away from Earth, year

Good explains that the supermoons of November and December 2025 will be even more notable. In October, moon is actually at its closest point to Earth (or perigee) on Oct. 8, days after the full moon, But in November and December, the moon is in perigee — or closest to the Earth — the day it reaches peak fullness.

U.S. scientists confirm Earth's new quasi-moon, 2025 PN7, sharing our orbit for 60 more years. Learn how quasi-moons work and what they reveal about our solar system.

October 2025 harvest moon will be the largest supermoon of the year, shining for days. Here's what day to view the next full moon

A spectacular evening awaits New Yorkers: the Harvest Supermoon will rise over the city tonight, lighting up the skies with an unusually bright full moon.