The Mirror Universe has been featured in 17 episodes across the "Star Trek" franchise. Here's the episode that fans ...

A new study suggests that a mirror universe may have formed alongside ours in the Big Bang, preserving laws of physics that ...

Anthony Vieira is a TV/Movie news writer for Collider. A writer, editor and educator in Petaluma, CA, he has previously written for Screen Rant and The Film Stage. He is married, has two kids, and his ...

An anti-universe running backwards in time could explain dark matter and cosmic inflation. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A wild ...

In the season 2 episode “Mirror, Mirror,” Star Trek perfected the alternate universe trope long before Hollywood became obsessed with the unlimited franchise-expanding potential of a multiverse.

Decades after “Mirror, Mirror” debuted, Star Trek: Deep Space Nine returned to the Mirror Universe in several episodes, revealing that Spock’s reforms led to the Terran Empire’s fall and the rise of ...

We live in a golden age for learning about the universe. Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, our most powerful ...