The world’s largest iceberg is “rapidly breaking up” into several large “very large chunks,” scientists from the British Antarctic Survey (BAS) have said. Previously weighing nearly a trillion metric ...

According to the U.S. National Ice Center, the world's largest iceberg, named A23a, has broken up. As of August 2025, iceberg A23f, a newly named iceberg, calved from A23a in the northern Weddell Sea.