Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.
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James Webb telescope captures 1st 'mid-infrared' flare from Milky Way's supermassive black holeThe James Webb Space Telescope (JWST) has detected a flare from the supermassive black hole at the center of the Milky Way — ...
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