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

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

For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a ...

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 ...

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

WASHINGTON (Reuters) - Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists pondering the cause - perhaps some unknown factor ...

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

Will the universe keep existing forever? An astrophysicist explains how scientists aren’t entirely sure, but they can make predictions.

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

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 ...