"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 ...

A new study, published on Arxiv, has deepened the cosmic puzzle surrounding the “Hubble tension,” an ongoing debate about the ...

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

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 ...

Dark matter is the curious theoretical solution to the observational problem that most of the universe is missing, something like 85 per cent of it You can save this article by registering for free ...

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

Dark matter and its impact on cosmology have puzzled physicists for nearly a century. At Perimeter Institute, two researchers ...

Clusters of hundreds or thousands of galaxies sit at the intersections of giant, crisscrossing filaments of matter that form the tapestry of the cosmos. As gravity pulls everything in each galaxy ...