Beneath an Antarctic glacier in a cold, airless pool that never sees the sun seems like an unusual place to search for life. But under the Taylor Glacier on the East Antarctic Ice Sheet, near a place called Blood Falls, scientists have discovered a time capsule of bacterial activity. At chilling temperatures, with no oxygen or sunlight, these newly found microbes have survived for the past 1.5 million years using an “iron-breathing” technique, which may show how life could exist on other planets
