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 ...

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

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

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

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

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.

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

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

Unhappy with the economy. Pain with prices. Unsure about Trump administration policies. It adds up to high disapproval among the president’s loyal constituencies. Here are six takeaways from the ...

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 ...