Measuring roughly 1,350 square miles (3,500 square kilometers) across, A23a is the world's largest and oldest iceberg ...

Incredible new satellite images show the world's largest iceberg on a potential collision course with South Georgia Island. On Jan. 22, NOAA’s GOES East satellite captured imagery of A23a slowly ...

The biggest iceberg on Earth is heading toward a remote island, creating a potential threat to penguins and seals inhabiting ...

A23a, the world’s largest iceberg, broke loose from Antarctica; now it’s spiraling towards South Georgia Island.

The iceberg in question is A-23A, sometimes called A23a. It is the world’s oldest and largest — about the size of Rhode Island — and weighs nearly 1 trillion tons. As it moves along ...

The world's largest iceberg, A23a, is drifting toward South Georgia ... home to penguins and seals. Satellite images, including recent data captured by NOAA's GOES East satellite on Jan. 22 ...

According to the U.S. National Ice Center—the global entity that names, tracks and documents Antarctic icebergs that meet specific size criteria—Iceberg A23a was 1062.22 nautical miles in area ...

Satellite imagery suggested that unlike ... Roughly 1,550 square miles across, the world's biggest and oldest iceberg, known as A23a, calved from the Antarctic shelf in 1986.