Is dark matter made of mysterious 'ghost particles?' Galaxy clusters could hold the answer
January 12, 2026
If dark matter particles decay, then scientists could hunt for signs of this process, including X-ray or gamma-ray radiation or even emitted “ghost particle” neutrinos, in vast clusters of galaxies.
Not only could this finally reveal what particles comprise mysterious dark matter, but it could also help astronomers understand the universe’s structure like never before. And new…