The world’s largest iceberg is on the move again, drifting through the Southern Ocean after months stuck spinning on the same spot, scientists from the British Antarctic Survey (BAS) have said.

The giant iceberg broke away from Antarctica's Filchner Ice Shelf in 1986. It later became known as A23a after splitting from a larger iceberg called A23 in 1991.

The largest and oldest iceberg in the world, named A23a, is on the move again after being stuck in a votex for months near the South Orkney Islands. It is now drifting in the Southern Ocean. The ...

Forbes contributors publish independent expert analyses and insights. Amanda Kooser covers the quirky side of science and space. Dec 17, 2024, 11:41am EST Images from 2023 from the Copernicus Sentinel ...

The melting of ice is inevitable. It will eventually become water. The issue is the speed. A23a, once dubbed the "largest ...

Add Yahoo as a preferred source to see more of our stories on Google. According to the U.S. National Ice Center, the world's largest iceberg, named A23a, has broken up. As of August 2025, iceberg A23f ...

Glaciologist Catherine Walker explores the birth, life and death of megaberg A23a ...

In 2025, A23a weighed a little under a trillion tonnes. A23a, one of the world's oldest and once the largest iceberg, is nearing the end of its 40-year journey across the Southern Ocean. This colossal ...

A23a is the world’s largest iceberg. It’s currently heading directly toward the British territory of South Georgia—between Antarctica and Argentina in the South Atlantic Ocean—where thousands of seals ...