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

The world's biggest iceberg -- three time the size of New York City -- could drift towards a remote island where a scientist ... significant mortality to penguin chicks and seal pups," he said.

The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist ... caused significant mortality to penguin chicks and seal pups ...

The world’s biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote island off Antarctica ...

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 ...

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 ...

Wall of Ice the Size of Rhode Island Heading Toward Penguin-Packed Island off Antarctica The world's biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote ...

The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist warns it risks disrupting feeding for baby penguins and seals. The ...