Here are some specific suggested resources:
FactCheck.org - A "nonpartisan, nonprofit" research center out of the University of Pennsylvania. Their funding information and funding disclosures are on their "Our Funding" page.
PolitiFact - From the Tampa Bay Times, this fact-checking website won a Pulitzer Prize in 2009.
Snopes.com - Billing itself as "the definitive Internet reference source for ... misinformation", Snopes.com double-checks a wide range of claims, from urban legends to Internet rumors.
The Trump Administration Archive collection of TV broadcasts from 2009 to date, with factchecks.