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 ...

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

The idea that we might be living in a simulated reality has worried us for centuries. Now physicists have found some ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...

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

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

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

UChicago physics Prof. Bonnie Fleming, who is also the chief research officer at Fermi National Accelerator Laboratory, is ...

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 ...

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

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...