After knocking out Chad Mendes during their UFC 142 main event, Jose Aldo left Joe Rogan worried after disappearing into the crowd of rowdy fans.

Marni Rose McFall is a Newsweek reporter based in London, U.K. Her focus is on internet trends, U.S. politics and popular culture. She has covered fashion, culture, art and music extensively.

In the latest exchange, 205 prisoners of war have been returned from Russia and Ukraine, according to Moscow. The Kremlin's Ministry of Defence said the United Arab Emirates helped to mediate the ...