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 …

2026年3月18日 · 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.

11 小时之前 · The Artemis II astronauts are already the champions of a fresh new era of lunar exploration. Now it's record-breaking time.

11 小时之前 · Astronauts on the Artemis II mission to orbit the moon are preparing for perhaps the most exciting phase of their journey.

4 天之前 · 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 …

2026年1月25日 · Live Science brings you the best moon facts and answers all of your lunar queries, from how did the moon form and whether the moon could ever be pushed from orbit to what is the …

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

2 天之前 · In the first era of moon exploration, NASA and the Soviet Union focused on the near side of the moon, where there was direct radio communication with Earth.

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 …

5 天之前 · 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 Germanic …