The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true moon.

A new study suggests lunar soil contains elements that solar wind transported to the moon from Earth’s atmosphere, solving a long-standing astronomy puzzle.

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be preserved in lunar soil.

Check out this complete guide to every full moon in 2026, including moon names, peak times, supermoons, micromoons and a total lunar eclipse.

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental changes. While current satellite observations have greatly advanced our understanding of Earth's radiation budget,

Asteroid 2024 YR4 has shifted from a near term scare to a slow burning celestial drama. Instead of slamming into our planet, the space rock now has a small but real chance of crashing into the Moon, blasting out debris that could light up our skies and rattle the infrastructure we have placed in orbit.

The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.