Huge Iceberg Breaks Off Antarctic Ice Shelf | NBC News

A chunk of ice 20 times bigger than Manhattan has broken off the Brunt Ice Shelf in Antarctica. Scientists from the British Antarctic Survey first detected cracks in the shelf ten years ago.» Subscribe to NBC News: » Watch more NBC video: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! NBC News App: Breaking News Alerts: Visit : Find NBC News on Faceboo