Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.

A study published in the Journal of Cosmology and Astroparticle Physics (JCAP) presents a methodology to test the assumption ...

A new study proposes a way to use weak gravitational lensing data to test the long-held Cosmological Principle of the ...

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that the Coma Cluster of galaxies is 38 million light-years closer than it should ...

Yet while the original DESI data produced a similarly troubling result for the standard model of cosmology — a Hubble ... everything and worked on this non-stop." To firm up the DESI estimate ...