The genomic secrets to how the muskox mastered living on the edge

At the end of the last Ice Age, many iconic species became extinct—including the steppe bison, the wooly rhinoceros, the Irish elk, and the dire wolf. However, one Ice Age relict, perfectly adapted to the harsh climate of the tundra environment, has survived until the present day. Muskox escaped the destiny of its Ice Age compatriots and appears to be thriving in the world of today.