Primordial black holes (PBHs) could become captured by rocky ... less than a paperclip to 100,000 times more than the Sun’s," NASA explains. "Then as the universe quickly expanded and cooled ...

An artist's illustration of primordial black holes. (Image credit: NASA) Another theoretical proposal about primordial black holes also made waves this year: the suggestion that they might still ...

Primordial black holes could reshape our understanding of dark matter. Researchers suggest these elusive cosmic phenomena ...

Researchers found far more hidden black holes than previously known, indicating plenty of behemoths lurking in thick clouds ...

A radical hypothesis reimagines Planet Nine not as a planet but as a primordial black hole—compact, ancient, and immensely dense. Uncovering Planet Nine or a black hole would unravel cosmic ...

A joint effort among NASA, the U.S. Department of Energy ... and able to measure interference effects from any primordial braneworld black holes. Because it seemed relevant for GLAST—not ...

A strange black hole is making scientists scratch their heads.

The full Chandra image, with C4 circled in yellow. (NASA/CXC/SAO/D. Bogensberger et al.) It also has a very active supermassive black hole and is bursting with star formation, one of the closest ...

Image source: NASA, ESA, and R ... within the first second or so after the Big Bang. Where these “primordial” black holes went is a mystery, of course, but there is that ever-looming possibility.

Tiny black holes could be hollowing out planets and zipping through our bodies An artist's illustration of primordial black holes. Another theoretical proposal about primordial black holes also ...