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

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

The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

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

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

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

This is the light echo of the Big Bang, the first light that freely moved through the universe. This relic is crucial to our ...

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

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 ...

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

A radical new theory begins with a central claim: consciousness is the fundamental field of reality; time, space, and matter ...