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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Parallels in the physics of the universe and that of black holes have led some cosmologists to wonder if our universe could have ...

Most black holes form when a massive star, at least 30 times the mass of our sun, exhausts its fuel and collapses into a singularity. The spherical volume of space surrounding this singularity defines ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. How black holes stretch, crush, and swallow matter. (CREDIT: AI-generated image / The Brighter Side of News) Centuries before ...

An artist's concept of a tidal disruption event (TDE), which happens when a star passes close to a supermassive black hole. The gravity of the black hole pulls material from the star and launches a ...