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Health & Science4h 21m ago

A fresh analysis of Type Ia supernovae overturns a controversial 2025 claim that cosmic expansion is slowing.

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University of Southampton, Yonsei University

Who
Dr. Phil Wiseman, Professor Young-Wook Lee, Professor Adam Riess, Professor Mark Sullivan, Dr. Brodie Popovic
What
A fresh analysis of Type Ia supernovae overturns a controversial 2025 claim that cosmic expansion is slowing.
When
Wed, 17 Jun 2026 16:05:01 GMT · 4h 21m ago
Where
University of Southampton, Yonsei University ·
Why
The new study demonstrated that previous methods used to measure the Universe's expansion were not fundamentally flawed, upholding the understanding that cosmic expansion is accelerating.
The Frontline Impact

How this affects you

This new study confirms that the universe's expansion is still accelerating, reinforcing established astronomical understanding and allowing scientists to continue research into the nature of dark energy.

Story chain

4 events in this thread
  1. Health & Science4h 21m ago
    A fresh analysis of Type Ia supernovae by Dr. Phil Wiseman and colleagues overturns a controversial 2025 claim that cosmic expansion is slowing.
    Open article
  2. Health & Science4h 21m ago
    A fresh analysis of Type Ia supernovae by a team including University of Southampton researchers overturns a controversial 2025 claim that cosmic expansion is slowing, reaffirming the Universe's accelerating expansion.
    Open article
  3. Currently Reading4h 21m ago
    A fresh analysis of Type Ia supernovae overturns a controversial 2025 claim that cosmic expansion is slowing.
  4. Health & Science4h 21m ago
    A new study by Dr. Phil Wiseman and colleagues published in the Monthly Notices of the Royal Astronomical Society confirms the universe’s expansion is still accelerating, overturning claims by Professor Young-Wook Lee.
    Open article

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