The massive A23a iceberg, covering around 3,500 square kilometers (1,350 square miles), broke off from the Antarctic shelf in 1986 and remains the world's largest and oldest iceberg. After ...
The world's largest iceberg, A23a, is on the move and threatening to collide with South Georgia, a remote British island and wildlife haven north of Antarctica. Scientists, sailors, and fishermen ...
Iceberg A23a (bottom left) and South Georgia Island (top right) as seen by Aqua's MODIS image on January 15, 2025. Credit: NASA. Most people picture icebergs like big floating boulders in the ocean.
The world's largest iceberg, A23a, is drifting toward South Georgia Island, a remote and ecologically vital wildlife haven. This massive block of ice, about the size of Rhode Island, poses a ...