Author: Thomas Gernon, Professor in Earth & Climate Science, University of Southampton

East Antarctica hosts the largest ice sheet on Earth, containing enough water to raise global sea levels by 52 metres, were it to fully melt. Yet it has puzzled scientists for decades how and why this ice sheet formed. In fact, there are two interlinked mysteries. First, Antarctica became covered in ice around 34 million […]

In 2005, I was navigating winding roads through the Drakensberg Mountains, in Lesotho, Southern Africa. Towering cliff-like features known as escarpments interrupt the landscape, rising up by a kilometre or more. Taken aback by the dramatic scenery, I was struck by a question: how on Earth did it form? The outer shell of our planet […]