A playground can be seen outside an address in London where Kuwaiti-born London computer programmer Mohammed Emwazi is believed to have lived. Emwazi has been identified as masked ISIS militant "Jihadi John." Niklas Halle'n/AFP/Getty Images hide caption
A supermassive black hole, like the one illustrated here, has been discovered 12.8 billion light years away, at the center of an exceptionally bright quasar. NASA/JPL-Caltech hide caption
A central figure in videos released by the self-declared Islamic State has been identified as a man from West London. He's seen here dressed in black, threatening Japanese captives Haruna Yukawa (right) and Kenji Goto. Kyodo/Landov hide caption
Co-director Bruce Sinofsky attends the Paradise Lost 3: Purgatory press day at HBO Studios on Jan. 6, 2012, in New York City. Michael Loccisano/Getty Images hide caption
Fans hold a "Los Angeles Rams" sign during a San Diego Chargers game against the St. Louis Rams last year. Both teams are part of proposals to build new NFL stadiums in the LA area. Donald Miralle/Getty Images hide caption
Secretary of Veterans Affairs Robert McDonald, seen here last November, has acknowledged that he was wrong when he said he had been in the special forces. Chuck Myers/Landov hide caption
University of Connecticut defensive back Byron Jones takes off for the broad jump at the NFL combine Monday. Jones recorded an NFL record of 12 feet 3 inches. Julio Cortez/AP hide caption
Oscar winners J.K. Simmons (best supporting actor), Patricia Arquette (best supporting actress), Julianne Moore (best actress), and Eddie Redmayne (best actor) pose with their trophies, after an awards show that was heavy on advocacy messages. Jordan Strauss/Jordan Strauss/Invision/AP hide caption
Ukrainian troops ride on self-propelled artillery near Artemivsk, eastern Ukraine, Monday. A Ukrainian military spokesman says that separatist attacks are delaying Ukrainian forces' pullback of heavy weapons from the front line. Evgeniy Maloletka/AP hide caption
Fighters from the self-declared Islamic State parade through Raqqa, Syria, in June 2014. Raqqa Media Center/AP hide caption
An explanation by Canadian legislator Pat Martin brought laughs and applause from his colleagues. YouTube hide caption
A man passes a graffiti in central Athens Friday, as Eurozone finance ministers consider Greece's request to extend the bailout loans that have kept its government afloat. Aris Messinis/AFP/Getty Images hide caption
Iraq is preparing to take back Mosul, a senior U.S. military official says. Earlier this month, government-backed Sunni Arab tribesmen who've been training to fight ISIS marched northeast of Mosul, in northern Iraq. Yaser Jawad/Xinhua /Landov hide caption