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

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

The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension ...

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

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

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

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

The Atacama Cosmology Telescope (ACT) has confirmed the complex disparity in measurements of the Hubble constant, deepening the cosmic puzzle known as 'Hubble tension'.

Cambridge brainpower across a raft of specialisms has been recognised through major funding from the European Union’s Horizon ...

The Full moon, the Yule Moon, is on December 4. This is a supermoon, the second largest of 2025. The next evening, the moon lies just southwest of Jupiter, and just below the Gemini, Pollux above the ...

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

Douglas Scott is professor of physics and astronomy at the University of British Columbia in Vancouver, Canada. He collaborated with George Smoot at Berkeley. Joseph Silk is professor of physics at ...