Dark energy flips its sign, but the Hubble tension refuses to budge
Researchers are investigating whether dark energy that changes sign over time can resolve the Hubble tension, a persistent discrepancy in measurements of the universe's expansion rate. While the standard LCDM model remains highly successful, this new analysis explores if variable dark energy could bridge the gap between early-universe predictions and local observations.
Why it matters
Resolving the Hubble tension is critical for our fundamental understanding of cosmology and the evolution of the universe.
by Sehjal Khandelwal, Abraão J. S. Capistrano and Suresh Kumar
edited by Lisa Lock , reviewed by Andrew Zinin
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility:
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in