Einstein's theory of general relativity suggests that the "memory" of ancient events, such as black hole mergers, may be ...

A nearly century-old offshoot of Einstein’s general theory of relativity may hold promise for solving the mysteries of dark ...

Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of ...

Light was long considered to be a wave, exhibiting the phenomenon of interference in which ripples like those in water waves ...

When we talk about Einstein Rings, it is an intriguing universal mystery where light from a distance within the galaxy is ...