
Ancient Antarctic Lake Yields Hidden Life After 15 Million Years
In 2012, a Russian drill punched into Lake Vostok, a Lake Ontario-sized subglacial lake beneath East Antarctica sealed for about 15 million years. The refrozen borehole plug contained DNA from organisms that evolved in total darkness, including novel sequences, showing that life can persist without sunlight and providing a valuable analogue for icy worlds like Europa and Enceladus. Contamination concerns linger and future sterile robotic sampling has been discussed, but the lake remains isolated for now as scientists refine its hidden ecosystem and its implications for life beyond Earth.
