This idea is called the big bang model—which is an unfortunate name because it brings to mind a cosmos expanding like an ...

The six-year Dark Energy Survey has released its full results, showing that two leading models of cosmology are equally valid ...

For a generation, cosmologists have worked with a simple story: the universe is not only expanding, it is expanding faster ...

Recent findings suggest a potential shift in our understanding of the universe’s expansion. After decades of acceleration, the universe might be slowing down, challenging the long-held belief of a ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion. When you purchase ...

"These results from the Dark Energy Survey shine new light on our understanding of the universe and its expansion." ...

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

(CNN) — The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...