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

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

"It’s very provocative." The post New Paper Claims Everyone Is Wrong, Universe’s Expansion Is Slowing Down appeared first on ...

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

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

Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

For nearly three decades, astronomers have interpreted the faint luminosity of certain distant explosive stars as a sign of ...

I was exploding with excitement to ask my friend Guy Worthey about supernovas. He’s an astronomer at Washington State University. He told me a supernova is a very energetic explosion in space. There ...

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

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

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

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