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Health & Science3h 47m ago
A new investigation led by the University of Southampton has reexamined supernova data and concluded that cosmic acceleration remains as strong as ever, disproving a 2025 claim that the universe's accelerating expansion was an illusion.
University of Southampton
Who
Professor Adam Riess, Professor Brian Schmidt, Dr. Phil Wiseman, Dr. Brodie Popovic, Professor Mark Sullivan, University of Southampton researchers
What
A new investigation led by the University of Southampton has reexamined supernova data and concluded that cosmic acceleration remains as strong as ever, disproving a 2025 claim that the universe's accelerating expansion was an illusion.
When
Sat, 13 Jun 2026 05:49:23 GMT · 3h 47m ago
Where
University of Southampton ·
Why
Researchers found that the study behind the controversy made key mistakes when analyzing supernova data, specifically regarding how the ages of galaxies and stars were treated and how the mass of host galaxies was accounted for.
The Frontline Impact
How this affects you
This new analysis confirms that the universe continues to expand at an accelerating rate, driven by dark energy, solidifying three decades of cosmological research and allowing scientists to focus on understanding what dark energy is, rather than questioning its existence.
Story chain
3 events in this thread- Currently Reading3h 47m agoA new investigation led by the University of Southampton has reexamined supernova data and concluded that cosmic acceleration remains as strong as ever, disproving a 2025 claim that the universe's accelerating expansion was an illusion.
- Health & Science3h 47m agoResearchers determined that fundamental errors were made when analyzing supernova data, and that cosmic acceleration remains as strong as ever.Open article
- Health & Science3h 47m agoResearchers found that a previous study claiming the universe's accelerating expansion was an illusion made key mistakes when analyzing supernova data.Open article
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