The New York Times A Crack in an Antarctic Ice Shelf Grew 17 Miles in the Last Two Months "A rapidly advancing crack in Antarctica’s fourth-largest ice shelf has scientists concerned that it is getting close to a full break. The rift has accelerated this year in an area already vulnerable to warming temperatures. Since December, the crack has grown by the length of about five football fields each day."
Scary. See the article for wonderful diagrams and images.