February 15, 2013 7:52 am How Safe Is That Asteroid? NASA Answers Dr. Dante Lauretta, principal investigator for NASA’s OSIRIS-REx asteroid investigation, discusses an asteroid that will pass a little more than 17,000 miles above the earth’s surface. US & World Videos 0:53 Police in New Jersey wrangle runaway “ham-some” pig 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance