Nearly 40 years after breaking off Antarctica, a colossal iceberg ranked among the oldest and largest ever recorded is finally crumbling apart in warmer waters, and could disappear within weeks.

At the start of this year, it was more than twice the size of Greater London. And as we enter September, the world's largest iceberg, known as A23a, is sadly nearing its end. Ranked among the oldest ...

Nearly 40 years after breaking off Antarctica, a colossal iceberg ranked among the oldest and largest ever recorded is finally crumbling apart. The world's largest ...

Infographic with map showing the trajectory of iceberg A23a, the largest iceberg in world, from 1986 to its breaking up at the end of August 2025 north of South Georgia island Nearly 40 years after ...