US EditionDark Matter May Arise From 'Mirror Worlds' or Cosmic Horizons, Bold New Theories Suggest
SANTA CRUZ COUNTY, CALIFORNIA, AUG 5 – Physicist Stefano Profumo proposes two testable theories that dark matter, comprising 80% of the universe's mass, may originate from a hidden mirror sector or cosmic horizon phenomena.
10 Articles
10 Articles
Mirror universe on the wall, is this where dark matter comes from after all?
What is dark matter? Physicists have been trying to answer this question since the first observations of distant galaxies suggested that only a fifth of all the “stuff” in the universe is the visible matter with which we interact every day. The other 80% is the enigmatic dark matter which has so far eluded direct observation. Dark matter’s existence would account for the gravitational forces behind how galaxies bind together and rotate. There ar…
Dark Mirror of Our Own Universe Could Explain Quirks in Gravity
Since conventional explanations have failed to pony up dark matter, one physicist is looking towards the unconventional. In a series of two papers, physicist Stefano Profumo of the University of California, Santa Cruz has proposed two strange, but not impossible, origins for the mystery material responsible for the excess gravitational effects we see out there in the Universe. In the first, published in May 2025, he proposes that dark matter cou…
A physicist proposes two new unconventional theories for the origin of black matter: a mirror universe where matter would consist of dark versions of baryon particles and a cosmological equivalent of the horizon of events of a black hole. Although highly speculative, the two theories would explain the excess gravity observed in the cosmos and would respect the natural conditions of the primitive universe. Representing 80% of the matter of the Un…
New Theories Propose Dark Matter Emerged from a Mirror Universe and a Cosmic Horizon
A pair of studies released in 2025 by physicist Stefano Profumo from the University of California, Santa Cruz offers two radically different yet deeply connected models for how dark matter may have formed in the early universe. Instead of relying on exotic particle candidates that have eluded direct detection, these models trace the origin of […] The post New Theories Propose Dark Matter Emerged from a Mirror Universe and a Cosmic Horizon appear…
Could dark matter come from a mirror world or the cosmic horizon?
Two new studies from UC Santa Cruz propose that dark matter may have originated from a hidden mirror world or been radiated into existence by the universe’s expanding cosmic horizon. These theories, rooted in established physics, challenge traditional models and suggest dark matter could exist without interacting with ordinary matter, redefining one of modern science’s greatest mysteries.
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