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The story of a red giant star and a nearby black hole is less a tidy cosmic romance than a forensic case file, pieced ...

A fresh analysis of data from the European Space Agency’s Gaia mission has offered an unexpected look at how our galaxy behaves. Astronomers already knew the Milky Way rotates and tilts, but the ...

For years, the center of our galaxy has been painted as a place where stars go to meet their end — a region ruled by Sagittarius A*, a black hole so massive that its gravity can stretch, tear, and ...