"Dark Matter" could refer to:
- Dark Matter (2015), the Canadian-American Space Opera starring seven Amnesiac Heroes expanded from the Dark Horse comic of the same name. Both the comic and the show were created by the showrunners of Stargate.
- Darkā¢Matter (1999), the Conspiracy Kitchen Sink setting for Alternity and later the d20 Modern roleplaying system.
- Dark Matter (2017), the DC comic book imprint spinning out of Dark Nights: Metal.
- Dark Matter (2010), the ghost story written by Michelle Paver.
- Dark Matter, the 2016 Science Fiction novel by Blake Crouch.
You might also be looking for the trope Our Dark Matter Is Mysterious.
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