Scientists have drilled 1.7 miles deep into Antarctica, pulling up an ice core sample that dates back at least 1.2 million years. They expect the sample to offer new insights into the evolution of ...

An ice core is a core sample from the accumulation of snow and ice over many years that have recrystallized and have trapped air bubbles from previous time periods. The composition of these ice cores, ...

An ice core sample from the European Alps has been the first to be dated to the last Ice Age, providing vital historical environmental data stretching back across the last 12,000 years. The ...

Heilig has turned core samples from mines into colorful coverings for concrete tables. These core samples were pulled to help miners determine where minerals, such as gold and copper, were prevalent.

Scientists working in the Allen Hills region of Antarctica have drilled the oldest ice core ever. Dating back an estimated 2.7 million years, this ice sample is more than 1.5 million years older ...