[6] TNS was founded in 1978, and, as of 2025[update], reports a member base of over 1,900 people in 53 US jurisdictions and 39 countries.

It is served by an Executive Committee of nine officers; six are elected for two-year terms, and three are appointed.

[11] TNS publishes a bimonthly journal, Vidya, which contains articles, poetry, puzzles, and other creative content contributed by members conversant with a variety of subjects, as well as officer reports and other official business of the Society.

Every autumn, the society organizes an annual meeting in the United States called ggg999,[13] with "ggg" referring to "Global General Gathering".

A privately organized European gathering, egg, usually takes place in late spring.