Sally Adams explains in her book that a feature should offer a satisfying conclusion. She says features often end with statements or quotes; less commonly with anecdotes and descriptions; rarely with questions. My advice: avoid the question ending at all costs – it should be left to experienced writers!
When writing a news article you need to research the topic extensively. To have a credible, well written, well-structured article, you have to know the topic well. Still it’s a lot trickier than you might think finding the right information, ensuring its factual.