Triplet of ‘Ghostly’ Galaxies Hints at What Dark Matter Is — and Isn’t

October 14, 2026 · 2:04 pm 1 sources

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• Triplet of ‘Ghostly’ Galaxies Hints at What Dark Matter Is — and Isn’t
  Quanta Magazine · October 14, 2026 14:04
  A collision may have left these galaxies without dark matter. That spells trouble for alternative gravity theories. The post Triplet of ‘Ghostly’ Galaxies Hints at What Dark Matter Is — and Isn’t first appeared on Quanta Magazine