A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

New polarization maps from the Atacama Cosmology Telescope align with Planck’s results and confirm the lower early-universe ...

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

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

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

How fast is the universe expanding? This is what a recent study published in The Astrophysical Journal hopes to address as a team of scientists investigated to see if what’s known as the Standard ...

The plot represents the new model with the x-axis and the y-axis showing the minimum sizes of collapsing and expanding regions that can impact cosmological measurements. The contours are independent ...

Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

It is widely thought that our universe is expanding at an ever-accelerating rate. But could we have that wrong? That is what a group of scientists from South Korea claims, but other scientists have ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...