Science ❯ Astronomy

Stellar Astronomy

Star Formation Star Systems Star Characteristics Star Evolution Red Supergiants White Dwarfs Binary Stars Star Companions White Dwarf Stars Chemical Composition Ancient Stars Star Observation Variable Stars Stellar Evolution Neutron Stars Massive Stars Oldest Stars Galactic Halo Star Composition Star Age Star Lifecycle Low-Mass Stars Exoplanets Hypervelocity Stars Stellar Phenomena Pulsars M Dwarf Stars Binary Star Systems Planetary Systems Observations Ultraviolet Radiation Research Paper Population III Stars Red Supergiant Stars Star Types Star Behavior Cepheid Variables Observational Astronomy Radio Astronomy Black Holes Pop III Star Detection Asteroseismology First Stars Milky Way Stars Star Classification Star Clusters Red Dwarfs Star Discovery Gamma Cassiopeiae Chemical Evolution Star Collections Types of Stars

Astronomers Capture Clearest Image Yet of Betelgeuse’s Likely Companion

Advanced VLT/SPHERE imaging and months of processing reveal a 2.6–3.1 solar‑mass star near Betelgeuse, prompting planned follow‑up to confirm orbital motion.

Astronomers Confirm Four Hidden White Dwarfs Within 65 Light‑Years

Ancient Metal-Poor Stars Found Inside Milky Way’s Disk

Astronomers Find Most Pristine Star Yet From the Large Magellanic Cloud

Ancient Star in Pictor II Bears the Imprint of One Weak First-Generation Supernova

Hubble Data Tie Betelgeuse’s 6-Year Variations to Hidden Companion’s Gas Wake

Pleiades Recast as Core of a Vast 'Greater Pleiades' Stellar Family

Astronomers Report Most Metal-Poor Star Yet From the Large Magellanic Cloud

Scientists Confirm Companion Star Orbiting Within Betelgeuse’s Atmosphere