You can evaluate any source using the E.S.C.A.P.E. plan:
Evidence– Can you verify facts from this source with another source? Does it seem likely?
Source – Can the author(s) of this information be trusted from this source?
Context– Why was this information created?
Audience– Who is this information intended to influence?
Purpose– Why was this information created in the first place?
Execution– How and where is this information presented?