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

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

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

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

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

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...

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

WASHINGTON >> Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists pondering the cause — perhaps some unknown factor involving the ...

Black holes are eaters of all things, even radiation. But what if their rapacious appetites had an unexpected side effect? A new study published in Physical Review Letters suggests that black holes ...