The 25-year evolution of the Federation’s clandestine spy division known as Section 31 and its presentation within the "Star Trek" universe has taken a few twists and turns over the years.

Mr. Spock referred to himself as "Second Officer" early in Star Trek: The Original Series, but there are reasons why this ...

After the previous three Star Trek series put William ... tell they weren’t originally Federation officers. Tuvok (Tim Russ) — Voyager’s resident Vulcan science officer — was undercover ...