The new drilling from East Antarctica covers a period of time when Earth's cycles of glaciation inexplicably lengthened, sometime between 900,000 and 1.2 million years ago. Some scientists suspect ...

It is thought to have formed some 200,000 years ago during Illinoian glaciation, which reached as far south as Illinois. Like many glaciers and icefields that feed the Columbia, the Icefield is ...

There is, quite literally, no time to waste to bear witness to Alaska’s endangered glacial world. Here are seven ways for visitors of all ages and abilities to visit. The five-hour Valdez trip ...