BuzzFeed is an Internet news media company that specializes in a wide variety of topics like politics, DIY, animals, humor, and business.
Unlike other sites, they do mark all humor as such.
While they have a habit of taking down posts [see below] —
— BuzzFeed has done better at making sure all news articles are at least annotated. As with anything, verify sources for yourself. If you see a “news” article with no source annotation or links: beware!
(And make sure it’s not an article that’s deliberately trying to make you laugh. They’re good at that!)