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 ...

These images from the Smithsonian Magazine Photo Contest show just why penguins have waddled into our hearts ...

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

A colossal iceberg, twice the size of London, is slowly drifting towards a remote island in the South Atlantic. A23a, the ...

South Georgia's beaches and coves serve as critical feeding grounds for penguins and seals ... iceberg's trajectory suggests it could soon loom on the island's horizon. If it grounds or breaks ...

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

A photographer went to South Georgia hoping to find a yellow penguin he saw three years ago. Instead, he found an even rarer ...

Iceberg A23a is on a collision course with the remote British island of South Georgia, which provides an Antarctic haven for ...

said that icebergs such as A23a "are so deep that before reaching an island or mainland they generally get stuck" on the ...

The iceberg cometh. The world’s largest iceberg is on a collision course with a British island off Antarctica, potentially ...