Kayla Mueller's aunt pays tribute to her caring niece

The aunt of Kayla Mueller, the hostage of the Islamic State group confirmed dead on Tuesday, pays tribute to her niece, saying that she did "more in her incredible 26 years than many people can ever imagine doing in their lifetime." Duration: 00:59 Feb 11, 2015

SpaceX Dragon cargo ship leaves space station

ROUGH CUT (NO REPORTER NARRATION) STORY: Astronauts aboard the International Space Station dispatched a SpaceX Dragon cargo ship for splashdown in the Pacific Ocean on Tuesday (February 10), while Feb 11, 2015

New York's homeless census

Thousands of volunteers fan out across New York before dawn to conduct the city's yearly homeless survey. Like other major U.S. cities, New York uses a count of people living on its streets to Feb 11, 2015

US Army radar blimp draws criticism from privacy advocates

Since late December, the US Army has been trying out a powerful surveillance system attached to a giant balloon floating over northern Maryland. Its highly detailed radar has privacy advocates worried. Duration: 02:32 Feb 11, 2015

Anti-prostitution activists protest during Strauss-Kahn trial

Opponents of prostitution demonstrate in the French capital to demand a Senate debate on a draft prostitution law. The protest coincides with the trial of former IMF chief Dominique Strauss-Kahn for aggravated pimping. Duration: 00:54 Feb 11, 2015

Polar bear aids scientists in research

Tatqiq, a 14-year-old 520-pound polar bear at the San Diego Zoo, is helping scientists gain knowledge of her endangered species by wearing a specialized collar. The collar is outfitted with an Feb 11, 2015

What DSK Knew

Outside the courthouse, topless women protest as Dominique Strauss-Kahn heads into court. Inside the courthouse the former IMF chief faces pimping charges. The 65- year old is accused of instigating Feb 11, 2015