The trillion-ton slab of ice — called a megaberg — could slam into South Georgia Island, making it hard for penguin parents to feed their babies and some young could even starve.

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 ...

The trillion-ton slab of ice — called a megaberg — could slam into South Georgia Island and get stuck or be guided around it by currents. If it gets stuck, it could make it hard for penguin ...