The world's biggest iceberg is on the loose and is threatening to collide with a tiny south Atlantic island, potentially affecting the wildlife there, scientists warned this week. Known as A23a ...

blue) and November 26 (red). Iceberg A23a is so big, the British Antarctic Survey calls it a “megaberg.” You could fit Greater London onto it two times over. A23a is the heavyweight iceberg ...

The mega-iceberg poses a significant threat to South Georgia Island a remote wildlife haven. The world's largest iceberg, A23a, is drifting toward South Georgia Island, a remote and ecologically ...