These sources have minimal bias and use very few loaded words (wording that attempts to influence an audience by using appeal to emotion or stereotypes).  The reporting is factual and usually sourced.  These are the most credible media sources. See all Least Biased sources.

Factual Reporting: VERY HIGH

Notes: Pew Research is a nonpartisan American think tank which is based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the world. It also conducts public opinion polling, demographic research, media content analysis, and other empirical social science research. Pew Research Center does not take explicit policy positions.  Pew is very factual and is mostly unbiased in reporting. (7/10/2016) Updated (4/26/2017)

Source: http://www.pewresearch.org/