What happened
Scientists with the Dark Energy Spectroscopic Instrument (DESI), an international research collaboration, presented new evidence Wednesday that bolstered its recent finding that dark energy is not inexorably pushing the universe apart at a constant rate of acceleration but rather ebbs and flows and appears to be weakening. If borne out, that would upend the 27-year-old standard explanation of the mysterious force that appears to dominate the universe.
Who said what
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