In 2000, when an iceberg the size of Jamaica cleaved away from the Ross Ice Sheet in Antarctica, Jill Heinerth saw an opportunity to make history. Heinerth is a professional underwater explorer ...

While some ice melts into the ocean, a lot breaks off into icebergs, which range in size from small chunks up to the size of a country. A team on board the British Antarctic Survey (BAS ...

But as the massive iceberg approached the western shelf edge of the island this week, strong underwater currents caused it to turn nearly 180 degrees, Geraint Tarling, a biological oceanographer ...