Massive ice core is a ‘time machine’ that could help solve an ancient climate mystery, scientists say
Air bubbles within a deep ice core drilled in Antarctica could reveal why Earth suddenly began to experience longer ice ages ...
Scientists drill nearly 2 miles down to pull 1.2 million-year-old ice core from Antarctic
An international team of scientists say they’ve successfully drilled one of the oldest ice cores yet, penetrating nearly 2 ...