Is there a universe where time flows backward or where our reality is flipped? The Mirror Universe Hypothesis explores this ...

Star Trek's Mirror Universe is back in Star Trek: Prodigy season 2, and co-executive producer Aaron J. Waltke explained the state of the dark alternate reality after Star Trek: Deep Space Nine ...

But in a CPT-symmetric universe, no such waves should exist. So if those searches for primordial gravitational waves turn up empty, that might be a clue that this CPT-mirror universe model is correct.

A mirror of our own, going backwards in time. Reflection Night. Our understanding of the universe, as advanced as it is, remains riddled with paradoxes and huge question marks.

The latest, though, suggests that while time moves forward in our universe, it may run backwards in another, mirror universe that was created on the “other side” of the Big Bang.

A “dark mirror” universe sounds like a Star Trek plot point filled with fascistic first officers and facial hair, but the idea is actually a newly-proposed theory that could help explain the ...

Entering the Mirror Universe was an inspired idea, allowing the show to play its darker tone for laughs, and confirming a couple of intriguing plot-twists. Our recap of episode 10, 'Despite Yourself.' ...