AS “STAR Trek: Deep Space Nine” gets ready to wrap-up its seven year run with a grand finale next month, rumors abound about how the show will end.

Reports making the rounds yesterday include:

* An epic space battle of massive proportions

* One of the show’s best known characters, Worf (Michael Dorn), kills the head of the Klingon Empire.

* Alien races that have hated each other from the beginning of the series realize how much they need each other to survive.

The end of “DS9” – the second highest rated action-hour in 087 . 0000.00syndication behind only “Xena: Warrior Princess” – is expected to be a big event among Trekkies.

Meanwhile, as production on the series ends, some of the show’s writers are being transferred to the show’s UPN sister, “Star Trek: Voyager.”

Battling lackluster ratings all season, “Voyager” appears to be in need of a creative shot-in-the arm.

“Voyager” has slowly dropped season-by-season, from 11 million in 1995 when it debuted to only 5.1 million this year.

Still, as the lynchpin of UPN’s primetime lineup and one of the network’s most important shows, “Voyager” is in no dan087 . 0000.00ger of being yanked anytime soon.

“Voyager” briefly enjoyed a surge in viewership two seasons ago, when Jeri Ryan joined the show as Seven-of-Nine, TV’s lastest space-babe.

Officials at Paramount, the studio that owns and distributes both “Star Trek” shows, would not comment about the group of writers who will make the jump.

Studio insiders said though, that some behind-the-scenes staffers – such as the hair and makeup people responsible for both shows’ outlandish looking aliens – have already been working on both “Deep Space Nine” and “Voyager” for years.

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