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Observational Astronomy

Galaxy Surveys Telescope Technology Astronomical Instruments Infrared Astronomy University of Warwick Data Analysis Gemini Observatory LIGO Observations

First Direct Images Reveal Betelgeuse’s Close-Orbiting Companion

Speckle-imaging data resolve the six-year cycle by linking Betelgeuse’s luminosity fluctuations to the orbit of a newly imaged companion

Astronomers Discover Heaviest Binary Star System Destined for Rare Supernova

Euclid Telescope Captures Rare Einstein Ring, Unlocking Dark Matter Insights

Discovery of 'Red Monster' Galaxies Challenges Early Universe Models