But Isolation, which is also canon and features Ripley's daughter, Amanda, searching for her mother 15 years after her post-Alien disappearance, didn't see its story through without a bump.
In 2001, Reyes was contacted by Doggett, now an FBI agent assigned to X-Files department, to assist in on a case involving the disappearances of several individuals who claimed to be alien abductees, as well as the disappearance of fellow agent Fox Mulder.
He soon discovers Wallace and Angela in a cave, and the two claim they were abducted by aliens, who covered up their disappearance with false skeletons.
The latest evidence isn't likely to stop true believers in the supernatural, though, or even Steven Spielberg, who explained in Close Encounters of the Third Kind that aliens were in fact behind the disappearance of Flight 19.
Meanwhile, it is revealed that the disappearances are due to an alien Kig-Yar vessel intercepting the ships in their search for relics left by the Forerunners, an ancient race sacred to the Kig-Yar and other members of the Covenant.
People project their worst nightmares and wildest fantasies onto this patch of ocean, crediting its disappearances to aliens, time portals, the lost civilization of Atlantis, and countless other paranormal causes.
Her partner Fox Mulder David Duchovnyy) has continued his work without her, but is still investigating her disappearance, believing her to have been abducted by aliens.
Anthony Marra's extraordinary first novel, "A Constellation of Vital Phenomena," opens with a disappearance typical of postmodern warfare, cobbled to an image completely alien to it: "On the morning after the Feds burned down her house and took her father, Havaa woke from dreams of sea anemones".
The official navy report said the planes disappeared "as if they had flown to Mars". The bizarre disappearances attributed to the Triangle have been linked to everything from alien abduction to sorcery.
However, Samantha is merely one of several clones created as part of a human-alien hybrid project, leading Mulder to pursue the bounty hunter for the truth about her disappearance.
Scully suggests that Billy is an alien abductee, but Doggett believes Ronald Purnell, a local delinquent, may have been involved in the boy's disappearance.
