A strange LIGO signal could reveal the missing link behind dark matter

According to ScienceDaily, a peculiar gravitational wave signal detected by LIGO suggests that primordial black holes may finally be within reach of discovery. These exotic objects have been purely theoretical until now, but if confirmed real, they could explain what dark matter actually is—one of astronomy's greatest unsolved mysteries. LIGO's unusual reading offers fresh hope that the answer to this cosmic puzzle may soon be in hand.

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