The researchers found that elusive intermediate-mass black holes can form in dense star clusters containing anywhere from tens of thousands to millions of tightly packed stars, called “globular clusters.” An intermediate-mass black hole has a mass between 100 and 10,000 suns. They are heavier than solar-mass black holes, which have a mass range between 10 … Read more
The early universe contained far fewer miniatures black holes than previously thought, making the origin of the missing matter in our cosmos even more of a mystery, a new study suggests. Miniature or primordial black holes (PBHs) are black holes thought to have formed in the first fractions of a second after the Big Bang. … Read more
The search for extinct, miniature black holes left over from the Big Bang may be heating up. Just when the trail of such tiny black holes seemed to have gone cold, an international team of scientists discovered clues in quantum physics that could reopen the case. One reason the search for these so-called primordial black … Read more