Ice cores are like frozen time capsules that could tell a lot about Earth's past. Researchers drill deep into the Antarctic and Greenland ice sheets to retrieve ice cores and study past climate.

The five tents sitting on the white expanse of the Clark Glacier look more like a winter camping site than a scientific field camp. Skis stick out of the snow. A pot on the propane stove holds melted ...

The Earth’s climate is a dynamic entity, continuously evolving over billions of years with alternating periods of extreme heat and cold. Recent scientific studies indicate that the Earth is subtly ...