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

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

The world's largest iceberg, A23a, is on a crash course towards South Georgia, threatening millions of penguins and seals.

Once thought to mate for life, more penguins seem to be setting out in search of new partners come breeding season. Here’s ...

The world's biggest iceberg—more than twice the size of London—could drift towards a remote island where a scientist warns it ...

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

The world’s largest iceberg is on a collision course with a remote British island, potentially putting penguins and seals at ...

A23a, a massive iceberg nearly the size of Rhode Island, towering at 40 meters, is on a collision course with South Georgia.

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.