Universe expansion

New models of the Big Bang show that the visible universe and invisible dark matter co-evolved

95% of the universe is dark, is invisible to the eye.

Universe’s Expansion History: Insights from the DESI Survey

The DESI survey has observed a new set of 5000 galaxies every 20 minutes since its launch in 2021.

A fresh look at red giant stars offers key insights into cosmic distance measurements

A way to measure the Universe's expansion with the highest accuracy.

Webb and Hubble telescopes affirm the Universe’s expansion rate

Webb measurements shed new light on a decade-long mystery.

Dark Energy Survey has obtained the largest supernova sample ever

Using the DOE-fabricated Dark Energy Camera, mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory, the Dark Energy Survey has...

A new possible explanation for the Hubble tension

A solution to one of the great mysteries of cosmology.

The rate at which large cosmic structures grow is slower than predicted

It’s like a fabric loom where one-, two- and three-dimensional collapses look like a sheet.

Webb verifies Hubble’s measurement of the universe’s expansion rate as accurate

The role of JWST in uncovering the Hubble Tension.

An immense bubble of galaxies discovered

It is so huge that it spills to the edges of the sector of the sky that we were analyzing.

Black hole ripples may be able to measure the universe’s expansion

A new way to pin down the distance to these exotic objects.

The early universe was running in extremely slow motion

Result confirms time-dilation expectations of Einstein's general relativity.

1st observational evidence linking black holes to dark energy

The first evidence of “cosmological coupling.

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