The Atacama Cosmology Telescope’s final data release confirms a major cosmic discrepancy and rules out many attempted solutions.

When you buy through links on our articles, Future and its syndication partners may earn a commission. A photograph of the Atacama Cosmology Telescope in Chile overlaid with a figure from its final ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. (Main) The CMB as seen by ACT with polarization represented by small black arrows. (Inset) The ...

After a multi-decade-year mission to understand the nature of the universe, a telescope perched in the mountain plateaus of northern Chile said goodbye in 2022. Now, its final data release is ...

The Atacama Cosmology Telescope (ACT) collaboration, which includes researchers from the University of Toronto, recently produced the clearest images yet of the universe's infancy from the earliest ...

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 Atacama Cosmology Telescope (ACT), those years amount to nearly 20—and now the ...