Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

"This is saying, to some respect, that our model of cosmology might be broken." There are two gold-standard methods for working out the Hubble constant — the value that quantifies the speed of ...

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

Computer algorithms can model the universe, matching simulations to observations and revealing the distribution of dark ...

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.