Science ❯ Astronomy ❯ Celestial Bodies

Stars

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

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

The spectacle delivered naked-eye views for many observers as brief lunar occultations were limited to narrow viewing paths.

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