The biggest iceberg on Earth is heading toward a remote island, creating a potential threat to penguins and seals inhabiting ...

The 'world's biggest iceberg', "A23a iceberg", which is more than twice the size of London, is drifting toward South Georgia ...

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 -- more than twice the size of London -- could drift towards a remote island where a scientist ...

The trillion-ton slab of ice that scientists call a "megaburg" broke off from the Antarctic’s Filchner Ice Shelf in 1986.

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 gigantic ...

The world's biggest iceberg -- three time the size of New York City -- could drift towards a remote island where a scientist warns it risks disrupting feeding for baby penguins and seals.

The world's largest iceberg, A23a, is on a collision course with South Georgia Island, raising alarms for local wildlife.