The word fact can refer to verified information about past or present circumstances or events which are presented as objective reality. In science, it means a provable concept.
http://en.wikipedia.org/wiki/Fact

Fandom Association of Central Texas's newsletter, fanzine, reading group, charities, BBS, and conferences.
http://www.fact.org/

?noun. 1. something that actually exists; reality; truth: Your fears have no basis in fact. 2. something known to exist or to have happened: Space travel is now a fact.
http://dictionary.reference.com/browse/fact

Fact Monster is a free reference site for students, teachers, and parents. Get homework help and find facts on thousands of subjects, including sports, entertainment, geography ...
http://www.factmonster.com/

fact n. Knowledge or information based on real occurrences: an account based on fact; a blur of fact and fancy
http://www.answers.com/topic/fact