The world’s biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals. The trillion-ton slab of ice — called a megaberg — could slam into South Georgia Island and get stuck or be guided around it

If it gets stuck near South Georgia Island, that could make it hard for penguin parents to feed their babies and some young could starve.

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 vital wildlife haven.

The world's largest iceberg, A23a, is on a collision course with South Georgia Island, raising alarms for local wildlife. Penguins and seals may face starvation as the massive ice block disrupts access to their feeding grounds.