As they gradually melt away to nothing, icebergs take on forms we wish could last forever. Their impermanence is partly why they’re so captivating. They are chunks of frozen freshwater broken ...

In 2000, UChicago Prof. Doug MacAyeal tracked the world’s largest iceberg, called B-15, as it broke off from an ice shelf in Antarctica. MacAyeal placed seismic sensors into the iceberg that recorded ...