Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of general relativity could finally do away with them, and explain what truly ...

Most people picture a black hole forming the same way: a massive star runs out of fuel, collapses under its own gravity, and disappears behind an event horizon. But Einstein's theory of general ...

New impressions A visualization of a curved space–time “sea” from the general-relativity simulations carried out by the authors.(Courtesy: James Mertens) From the Genesis story in the Old Testament to ...