Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars—each with different ...

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

The new official map of the Star Wars galaxy is packed with intriguing details, especially if you enjoy the more ancillary ...

TB of galactic shots a day, backed by Microsofties High on a Chilean mountain the Vera C. Rubin Observatory is, at last, ...

Just last week, for instance, the Hayden Planetarium at the American Museum of Natural History (AMNH) in New York City ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

CAPE CANAVERAL, Fla. — Astronomers have revealed a nearby spiral galaxy in all its brilliant glory, shining in thousands of ...

Moons and other matter. More than 150 moons orbit worlds in our solar system. Known as natural satellites, they orbit planets, dwarf planets, asteroids, and other debris.

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have at least one companion star. The sun contains over 99% of the mass of our entire solar system.

Rubin’s data will help scientists piece together how our solar system formed and evolved. The predicted stats are staggering: 127,000 NEOs, 109,000 Jupiter Trojans , 37,000 distant Kuiper Belt ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.