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

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

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

"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 ...

Early data of “little red dots,” or LRDs, from the James Webb Space Telescope (JWST) appeared to suggest the presence of galaxies too massive to exist in our modern cosmological models.

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

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

Astrophysics professor Wendy Freedman discussed her career and award-winning research on the Hubble constant.

Over the past decade, cosmology has been embroiled in a growing crisis. Fuelling it are observations, first made by the Hubble Space Telescope and later by the James Webb Space Telescope ...

A unique dataset of Type Ia Supernovae being released today could change how cosmologists measure the expansion history of the Universe.