These gigantic structures, which contain hundreds or even thousands of galaxies bound together by gravity, offer important ...

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Astrophysicists have a fairly accurate understanding of how the universe ages. That’s the conclusion of new results from the Dark Energy Survey (DES), a large international science collaboration, ...

New polarization maps from the Atacama Cosmology Telescope align with Planck’s results and confirm the lower early-universe ...

An enormous map of the universe and how it's changed over time has been made by scientists, and may change how we think about the cosmos and its expansion. This map, made using data gathered by the ...

Researchers have used the Dark Energy Spectroscopic Instrument to make the largest 3D map of our universe and world-leading measurements of dark energy, the mysterious cause of its accelerating ...

The universe is expanding and that expansion is accelerating under the power of dark energy and eventually all matter and energy will be dispersed over such unthinkable distances that nothing can stop ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

The original version of this story appeared in Quanta Magazine. Physicists have deduced subtle hints that the mysterious “dark” energy that drives the universe to expand faster and faster may be ...

An astrophysicist from The University of Texas at Dallas and his colleagues from the Dark Energy Spectroscopic Instrument (DESI) collaboration are at the forefront of an ambitious experiment to study ...