Former first lady Michelle Obama received some of the loudest cheers of the night in Chicago as she told the excited crowd, "Hope is making a comeback!"
President Trump has repeatedly described the U.S.-Canada border as an "artificially drawn line." But experts say just because it was man-made doesn't mean it's not legitimate.
Celebrations included a massive military parade in Moscow's Red Square, where Russian President Vladimir Putin hosted several foreign leaders, including the presidents of China and Brazil.
Cardinal Robert Prevost was elected pope yesterday and chose the name Pope Leo XIV. Here's what you need to know about him and his views. And, the U.S. and China begin trade negotiations.