Nearly every galaxy has a supermassive black hole in its core. Whether the black hole forms first and then the galaxy around ...

In 1965, British mathematician Roger Penrose proposed the cosmic censorship conjecture, a concept that suggests that singularities — regions where gravity is so strong that the fabric of spacetime ...

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 ...

In May 2019, astronomers picked up something strange in the fabric of spacetime. The LIGO and Virgo detectors recorded a gravitational wave that lasted just one-tenth of a second. The signal, known as ...

David Garofalo does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the ...