When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of galaxies curving the fabric of space-time in an expanding universe. A new ...

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

Dark energy is one of the greatest mysteries of the universe. This mysterious force is thought to be accelerating the expansion of the cosmos. But a new study challenges this long-held belief. A team ...

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing in ...

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

AUSTIN (KXAN) — A commonly held belief that the universe is rapidly expanding may be wrong. A new paper published this month suggests the universe’s expansion might be slowing down and it could mean ...

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 ...

The expansion rate of the universe may be slowing down, rather than accelerating at an ever-growing rate, a potentially groundbreaking new study has hinted. The suggestion challenges both the 2011 ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

Dark energy may have switched directions sometime in the distant past — and this violent transition may explain why cosmological observations aren't adding up, researchers propose in a new paper. The ...