Ice Age

Oldest continuous arctic record is step toward understanding dramatic shift in glacial cycles

Methane is one of the most aggressive climate-warming greenhouse gases, while being also an important energy resource

Past ice-sheet variability provides an important insight of future ice-sheet and sea-level change

Historical cooling periods are still playing out in the deep Pacific

Rice University scientists use Hawaiian hot spot to study movement of Earth's poles

Scientists have shown that, 20,000 years ago, Arctic sea ice in the winter covered more than twice the area than it does today