Measuring roughly 1,350 square miles (3,500 square kilometers) across, A23a is the world's largest and oldest iceberg ...

A23a, the world’s largest iceberg, broke loose from Antarctica; now it’s spiraling towards South Georgia Island.

Iceberg, dead ahead. The world’s largest iceberg is on a collision course with a British island off Antarctica, jeopardizing both marine life and ships in the area. “If this happens (the iceberg ...