When it comes to primordial black holes being dark matter suspects, their alibi may be falling apart. Tiny black holes, created seconds after the birth of the universe, may have survived longer than expected, re-igniting a suspicion that primordial black holes could account for dark matter, the universe’s most mysterious stuff. Dark matter currently represents one of the most pressing problems in physics. Despite making up an estimated 85 per cent of the matter in the cosmos, dark matter remains effectively invisible to our eyes because it doesn’t interact with
