Hubble Constant

New Webb Telescope data suggests our model of the universe may hold up after all

UChicago-led analysis measures universe expansion rate, finds there may not be a ‘Hubble tension’

Black hole collisions could help us measure how fast the universe is expanding

UChicago astronomers propose ‘spectral siren’ method to understand evolution of the universe

Aging stars provide a new cosmological yardstick

UChicago researchers verify a new method of measuring distances to faraway galaxies