We like to believe we have a pretty good idea of how things work in our universe. However, the truth is that there is still much we don't know. Physicists have spent decades creating complex theories ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if ...

Is there a universe where time flows backward or where our reality is flipped? The Mirror Universe Hypothesis explores this intriguing possibility, and we explain it all here.

In an article published in Physical Review Letters on Thursday, scientists carried out an innovative study testing the ...

In Turok’s hypothesis, right-handed neutrinos—unobserved in our universe—could exist in the mirror universe ... The extinction theory just got shaken ESO finds a planet where winds reach ...