Science ❯ Astronomy ❯ Celestial Bodies

Stars

Antares Red Dwarfs Betelgeuse Pleiades Spica Sirius Mars Regulus Sun Binary Stars Protostars Planets Milky Way Galaxy 14 Herculis Neutron Stars Visibility HD 181327 Red Dwarf Stars Pleiades Star Cluster Star Formation Vega Fomalhaut Nebulae Andromeda Galaxy Orion Cúmulo del Pesebre (M44) Constellations Black Holes Polaris Milky Way Star Systems Mira Magnitude Scale Dwarf Stars Fixed Stars

Moon Meets Regulus Tonight Across North America

Jupiter approaches its brightest, closest point of the year with opposition on Jan. 10.

Rare Dawn Conjunction of the Moon, Venus and Regulus Thrills Early Risers on Sept. 19

ALMA Maps Fomalhaut’s Warped Debris Ring, Pointing to Hidden Planet Sculptors

8% Crescent Moon Meets Mars Low in the West Tonight

Six-Planet Parade Continues as Mercury Rises and Moon Approaches

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

NASA’s CODEX Maps Gusting Plasma Flows in Sun’s Outer Atmosphere

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories

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