The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

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

Dark matter is special in that it doesn't emit, absorb or interact with light, so science had to find a more creative way to ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of our galaxy might be more suitable for life than others ...

It’s a powerful technique, but small uncertainties at each step can add up, something critics argue may be behind the Hubble ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

A new study, published on Arxiv, has deepened the cosmic puzzle surrounding the “Hubble tension,” an ongoing debate about the universe’s expansion rate. The findings come from the Atacama Cosmology ...