In their recent study of political polarization in America, the respected and reputable Pew Research Center organization found:
When it comes to getting news about politics and government, liberals and conservatives inhabit different worlds. There is little overlap in the news sources they turn to and trust.
But, just because you might not 'trust' a news source, that doesn't by default make that news 'fake' - you may just think it's biased against your own personal political opinions. And it may in fact be politically biased, which should cause everyone to pause and critically assess any source of information they consume to see whether those biases distort the information being shared.
So, with any information source, you should use your critical thinking skills to EVALUATE news sources - and don't let your own biases cloud your ability to critically assess the validity of the information you consume.
There are actually websites out there that are disseminating "fake news" - fabricated and untrue misinformation disguised as 'facts' and 'truths'. Cornell University Library has a great site with tips on how to distinguish fake news from real journalism:
Here are some helpful sites for fact-checking the information you find: