There isn't a checklist that determines if information is credible and trustworthy. Start with asking questions to determine how well a source fits your needs. Keep in mind that the information needs to be situated in the context of your research topic/question.
How will you use this source in your research assignment?
What value does this source add to your research assignment?
Does the information relate to your research topic and/or answer some aspect of your research question?
Source Evaluation Video
The Source Evaluation video (3:29 minutes) introduces the concept of evaluating information using questions.