Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

The earliest black holes in the universe may not have disappeared from Hawking radiation after all, new research hints.

Physicists have started to treat a once-fringe idea with surprising seriousness: that our entire observable universe might be the interior of a black hole that formed in some larger cosmos. The notion ...

New data from JWST suggests our Universe may be hidden within a massive Black Hole. Chapters: 00:00 We might be inside a Black Hole! 00:31 Black Holes vs The Big Bang 02:22 What are White Holes? 02:58 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, that's what defines a black hole, right? Well, it depends on what you mean by ...

At the heart of nearly every galaxy lurks a cosmic giant: a supermassive black hole. These mysterious objects, millions to billions of times more massive than our Sun, exert such powerful gravity that ...

Space itself is scary enough—dark, vast, cold and empty—but galaxies have all manner of terrifying beasts lurking inside. Most of these astrophysical monsters are stars with various behavioral issues, ...

Scientists spotted an enormous black hole in the early universe that's growing at 2.4 times the theoretical Eddington limit. Studying it further could help answer one of the biggest questions in ...

While nearly all massive galaxies possess central black holes, the presence of such black holes in dwarf galaxies remains an open question, with previous estimates identifying them in only 0.5% of ...