A new satellite photo has revealed that the "megaberg," A23a, is beginning to break apart, spawning thousands of smaller ice chunks around the Antarctic island of South Georgia.

A23a, the world’s largest and oldest iceberg, broke off Antarctica nearly 40 years ago. In 2020, ... A23a has run aground in the Southern Ocean after years adrift.

The one-time world's largest iceberg has run aground in shallow waters off the remote British island of South Georgia. The iceberg, known as A23a and approximately twice the size of Greater London ...

The world's largest and oldest iceberg, named A23a, has run aground in shallow waters off the coast of South Georgia, a remote island in the South Atlantic known for its populations of penguins ...