A new theory of quantum gravity could solve the biggest mystery in cosmology, according to a study

A variation of the theory of quantum gravity – the unification of Quantum mechanics and Einstein’s general relativity – could help solve one of cosmology’s biggest mysteries, new research shows.

For almost a century, scientists have known that the universe is expanding. But in recent decades, physicists have discovered that different ways of measuring the expansion rate – the so-called Hubble parameter – lead to puzzling inconsistencies.

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