Some lakes give up shipwrecks, and Arendsee, in northern Germany, has already given up one. What archaeologists brought to light in 2026 is something else: wood carved by Mesolithic hunter-gatherers up to 10,500 years ago. (The Mesolithic, or Middle Stone Age, is the stretch of European prehistory after the last Ice Age and before farming.) […]

In February 2012, after twenty years of nearly uninterrupted work, a Russian drill broke through the last stretch of ice over East Antarctica and reached something no human had ever touched: the surface of a lake sealed shut long before our species existed. Water surged up the borehole, mixed with the kerosene and Freon used […]