The Earth’s largest iceberg is slowly breaking apart on a crash course with South Georgia, threatening fragile wildlife colonies and revealing hidden dynamics of the Southern Ocean. Looming over ...

The A23a iceberg, one of Earth’s most colossal frozen structures, is breaking into pieces off South Georgia Island. Its collapse could have lasting environmental effects—and scientists are ...

The world's largest iceberg, A23, is fragmenting into smaller pieces, potentially jeopardizing both ships and the millions of penguins on the South Georgia Island wildlife refuge.

Satellite images of the A23a iceberg splitting apart near South Georgia, on May 3, 2025. NASA/Aqua ...

A23a is breaking off near a wildlife refuge that's home to numerous species. According to Oceanwide Expeditions, South Georgia is home to the one of the largest global populations of king penguins.

This type of iceberg disintegration is known as "edge wasting" and has shrunk A23a by around 200 square miles (520 square km) since it became stuck in March, according to NASA. At this rate, it ...