From an editorial perspective, more or less establishment left-of-center. I'm not sure I'd draw much of a distinction between it and the New York Times although--at least historically--the Washington Post (unsurprisingly) majored in US politics to a greater degree than the Times. In other words, pretty typical US major urban newspaper.

Try ProPublica or NPR

In general , you won't find qualify free news , because quality costs money, and someone has to pay. Paywall, ads and mass market tabloid eyeball grabbing, or generous donors.