Models of glacial flow and retreat rely on estimates of glacial ice viscosity, the measure of the ice's resistance to flow.

Underneath its quiet, cool, icy-white façade, Antarctica hides a fiery cauldron thronged with hundreds of volcanoes. Little by little, the blazing heat spuming from these volcanoes weakens the ...

Scientists have devised the most detailed map to date of the terrain hidden below the vast ice sheet blanketing Antarctica, uncovering an exuberant landscape of mountains, canyons, valleys and plains ...