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Aliens: Theory of Alien Propagation

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Aliens: Theory of Alien Propagation
Written by Mark Verheiden
Illustrated by Mark A. Nelson
Inked by
Lettered by
Colored by
Cover(s) by Mark A. Nelson
Edited by Randy Stradley
Publisher Dark Horse Comics
Release date(s) Nov 1988
Media type
Preceded by
Concurrent Aliens (series 1)
Followed by Aliens (series 2)
Alternate cover

Aliens: Theory of Alien Propagation, originally titled simply Aliens, is a comic book short story that was first published by Dark Horse Comics in the anthology Dark Horse Presents #24, in November 1988. It was written by Mark Verheiden, illustrated by Mark A. Nelson and edited by Randy Stradley, the same creative team behind the first Aliens (series 1) comic book. The issue of Dark Horse Presents also featured Aliens cover art by Nelson.

The story is written in the form of an in-universe article by Aliens (series 1) character Waidslaw Orona, with accompanying imagery of Alien life and development.

In the Aliens comics line, Aliens: Theory of Alien Propagation was published concurrently with Aliens (series 1) and was followed by Aliens (series 2).


Official description of original issue:

Writer Mark Verheiden and artist Mark A. Nelson present an all-new "side bar" story to Dark Horse's ongoing Aliens miniseries as they take us inside the mind of an Alien Queen!

Full Synopsis (Warning: Spoilers)Edit

The story shows Aliens spreading via infestation of alien species and humans, and Aliens building one of their hives, all accompanied by excerpts from Orona's article.

Reprint HistoryEdit

Aliens: Theory of Alien Propagation was first collected as part of Aliens: Book One, a trade paperback re-release of the original Aliens comic published in November 1989. A deluxe hard cover edition of Aliens: Book One, again including Aliens: Theory of Alien Propagation, was released in June 1990.

In 1992, the short story was collected alongside a number of other Aliens Dark Horse Presents stories published up until that point in the special single-issue release Dark Horse Presents: Aliens Platinum Edition. Here the story was colored by Chris Chalenor and the issue featured a new cover by Simon Bisley. The colored version of the story was again collected as part of Aliens Omnibus: Volume 1 in July 2007.


  • "Theory of Alien Propagation" is one of the few Aliens stories to depict another sentient Alien species in the form of a lizard-like space traveling race shown using energy weapons and being infested by Aliens. The others being the Space Jockeys of the film Alien, shown in various stories, the alien pilot shown in Aliens: Earth Angel, the Reapers from Aliens: Reapers, the hunting race from Aliens: Alien, and, of course, the Predators.
  • The fictitious "Theory of Alien Propagation" by Waidslaw Orona is one of a number of in-universe books or articles that have been mentioned in various Aliens comics, including "Cyberantics" by Stanislaw Mayakovsky (from Aliens: Hive) and "The Evolution of Television" by Emmet Webster (from Aliens: Book I).

See alsoEdit

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