Science Daily·3 min read·medium
Dark matter’s secret force does the opposite of what scientists expected

✦AI Summary
Scientists are investigating a theoretical 'dark force' that may influence how dark matter interacts with itself. This hidden force could explain discrepancies between observed cosmic expansion and current standard cosmological models.
Dark matter is usually described as an invisible substance that responds only to gravity. But scientists are now exploring a more complex possibility: dark matter particles may also interact through a hidden force of their own.
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