Grand Unified Theories predict that during the early universe's cooling from extremely high temperatures, topological defects called magnetic monopoles should have been copiously produced during symmetry-breaking phase transitions, with densities so high they would overclose the universe or drastically alter its dynamics. The complete absence of observed magnetic monopoles in nature presents a fundamental problem for the standard hot Big Bang cosmology, as the predicted monopole-to-photon ratio from GUT-scale physics is roughly unity, meaning monopoles should be as common as photons, yet none have ever been detected despite extensive searches (Preskill 1979; Kibble 1976). Lambda-CDM addresses this through cosmic inflation, which dilutes the monopole density to negligible levels by exponentially expanding space, but this requires introducing an ad hoc inflaton field and fine-tuned parameters, and the monopole problem remains unresolved in non-inflationary scenarios.