These primordial black holes have been theorized for decades and could even be ever-elusive dark matter, the invisible matter that accounts for 85% of the universe's total mass. Still, no ...

A groundbreaking new study suggests that primordial black holes (PBHs)—theorized to have formed in the early universe long before stars and galaxies began to take shape—might be lurking in ...

It was suggested this would create primordial black holes (PBHs) in an ample measure in the early universe. A black hole is an exotic cosmic object predicted by Einstein’s theory of General ...

A great example is this recent reboot of the 1952 Miller-Urey “primordial soup” experiment which ended up with some fascinating results. At the heart of the Miller-Urey experiment was a ...

(To our knowledge, tiny black holes cannot form today.) But would these "primordial" black holes still exist, roughly 14 billion years after the big bang? Surprisingly, the answer depends on the ...

An undiscovered population of ancient black holes may be lurking throughout the universe. These bottomless cosmic pits would have a lot in common with more familiar black holes; in some cases, the ...

Contributing editor Jim Richardson is a photojournalist recognized for his explorations of small-town life. His photos appear frequently in National Geographic magazine. Heading out into the ...