One theory is that dark matter resides in a “dark mirror” universe that failed to form atoms during the nucleosynthesis of ...

That means the universe shouldn't display a preference for stuff that spins clock or anti-clockwise. There should be mirror symmetry in the universe, and that includes the gravitational waves ...

Neil Turok, renowned cosmologist and Higgs Chair of Theoretical Physics at the University of Edinburgh, suggests a mirror universe existed before the Big Bang, moving backward in time. This bold ...