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 studying the Greenland Ice Sheet have found evidence that massive layers of refrozen meltwater deep beneath the surface are warping and softening the ice from within, producing internal ...