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 ...

After eight months trapped in a whirlpool in the Southern Ocean, the world’s largest iceberg is on the move again — and potentially on a path to hit the island of South Georgia. The island ...

While warming temperatures are driving a widespread loss of ice shelves, major calving events have not increased in frequency ...

A23a has followed roughly the same path as previous massive icebergs, passing the east side of the Antarctica Peninsula through the Weddell Sea along a route called "iceberg alley". Weighing a little ...

A23a has followed roughly the same path as previous massive icebergs, passing the east side of the Antarctica Peninsula through the Weddell Sea along a route called "iceberg alley." That is the ...

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 ...