The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously thought, a new study suggests. Subscribe to our newsletter for the latest ...

The accelerating expansion of the universe could be explained by modifying general relativity so that gravity has mass – or so thinks a small group of physicists. Matthew Francis reports What lies ...

A lonely telescope in the Arizona desert tracks millions of distant galaxies to determine the ultimate fate of the Universe [KPNO/NOIRLab] There is growing controversy over recent evidence suggesting ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously thought, a new study suggests. "Remarkable" findings published today in ...

(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 ...

The Dark Energy Survey mapped 669 million galaxies to help understand why the universe's expansion is accelerating rather than slowing down.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The Universe, now about 13.8 billion years old, will come to ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously thought, a new study suggests. "Remarkable" findings published today in ...