🔬 Science Jul 1, 2026 · Ethan Siegel

Is it finally time to take dark matter-free galaxies seriously?

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Is it finally time to take dark matter-free galaxies seriously?
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Out there beyond the Milky Way, there’s much more than a typical telescopic view reveals. While our eyes might be drawn to the enormous, massive, bright spirals and ellipticals that can be found all across the Universe, the reality is that for every Milky Way-like galaxy out there, there are dozens or even hundreds of small, low-mass, very faint galaxies: the dwarf galaxies of the Universe. Even though large, bright, massive galaxies contain the majority of our Universe’s stars, the majority of

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