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 way to study 3D maps of galaxies in the cosmos without compressing the data is revealing new information about the dark ...

A new study presents a methodology to test the assumption of cosmic homogeneity and isotropy, known as the Cosmological ...

Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

The Copernican principle states that the Earth is not in a special place in the Universe. Us humans are not privileged ...

"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 ...

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

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.

In other words, the universe grew more complicated than expected. The team behind these findings used the sixth and final ...