Massive ice core is a ‘time machine’ that could help solve an ancient climate mystery, scientists say CNNPredicting the climate of the future with the oldest ice on Earth SWI swissinfo.ch in EnglishScientists Drill 1.7 Miles Into Antarctic Ice, Revealing 1.2 Million Years of Climate History Smithsonian MagazineScientists Uncover 1.2-Million-Year-Old Ice From Antarctica’s Depths IFLScienceScientists say 1.2-million-year-old ice may solve mystery of Earth’s past Straight Arrow News