Nasa said: “A geothermal heat source called a mantle plume lies deep below Antarctica's Marie Byrd Land, explaining some of the melting that creates lakes and rivers under the ice sheet.

Hotspots are located under West Antarctica; in contrast, the East is broadly relatively cold This is the best map yet produced of the warmth coming up from the rocks underneath the Antarctic ice ...

Antarctica is a weird place ... A mantle plume, which is an area where geothermal heat generated deep within the planet pushes closer to the surface through cracks other gaps, is thought to ...