The Big Melt: An enormous portion of the West Antarctic ice sheet is melting and it may be irreversible, according to scientific reports released yesterday. Eric Rignot, a glaciologist at the University of California, Irvine said, “It has passed the …

Ukraine: Turnout appeared to be light today for a referendum on independence in eastern Ukraine, with many voters marking their ballots “yes.” The movement’s backers would create independent republics in Donetsk and Luhansk. The chairman of the election committee for …