Science ❯ Astronomy ❯ Celestial Bodies

Moons

Jupiter's Moons Europa Galilean Moons Uranus Titan Crescent Moon Charon Io Uranus Moons Ganymede

Asteroid 44 Nysa Is Likely a Three‑Lobed Body and Has a Small Moon

Tracking the newly detected satellite can reveal Nysa's mass to distinguish competing formation models.

Tonight: Crescent Moon Sits Between Venus and Jupiter in the Western Twilight

Southern Hemisphere Sky Guide: What to See in April 2026

Juno Reveals Kilometer-Scale ‘Beads’ in Ganymede’s Aurora

Study Links Titan’s Moon‑Merger Origin to Saturn’s Young Rings

Jupiter Nears Opposition, Set to Dominate the Night Sky on January 10

Cosmic Rays Could Feed Microbial Life on Enceladus, Europa and Mars, Study Says

Astronomers Confirm 2025 PN7 as Earth’s Seventh Quasi-Satellite

Astronomers Confirm Tiny Quasi‑Moon 2025 PN7 Shadowing Earth for Decades

Webb Spots Tiny New Uranian Moon, Lifting Planet’s Count to 29

Webb Spots Tiny New Moon Around Uranus, Bringing Count to 29

James Webb Spots Tiny New Moon Orbiting Uranus

James Webb Spots Tiny New Moon at Uranus, Raising Its Tally to 29

Webb Telescope Discovers Tiny Uranus Moon, Bringing Total to 29

Six-Planet Parade Visible Before Dawn as Mercury Hits Greatest Elongation

Six-Planet Parade Continues as Mercury Rises and Moon Approaches

Cosmic Rays Could Power Life on Europa, Enceladus and Mars, Studies Find

Moon Passes Within Half-Degree of Antares in Tonight’s Sky

June Sky to Stage Antares Occultation, Strawberry Moon and Key Planetary Pairings

Study Reveals Jupiter’s Early Size and Magnetic Power