As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...

For decades, we have been taught that the universe is expanding faster and faster. That belief has influenced our view of ...

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.

By observing the brightness of distant dying stars, astronomers have long come to believe that the expansion of the universe ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

Evidence now suggests the universe’s expansion has started to slow, not speed up. The findings imply dark energy is weakening ...

A remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.

The popular consensus among scientists is that the universe will continue expanding until the bitter end. A team of ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates ...

"Remarkable" findings from Yonsei University cast doubt on 'dark energy' theory and claim there is "no evidence" of an ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...