'Cosmic Glitch' could explain why gravity acts differently across the Universe

Theory Briefing

• A measured 1% drop in gravitational strength across billions of light-years is the core anomaly researchers are calling a cosmic glitch.
• Einstein's general relativity predicts gravity behaves uniformly everywhere — this finding directly challenges that foundational assumption.
• The discrepancy only appears at cosmic scales, suggesting gravity may follow different rules in the very large versus the everyday universe.
• If confirmed, the glitch could force a fundamental revision of how physicists model the structure and expansion of the universe.