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 ...

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

The trillion-ton slab of ice, called a megaberg, could slam into South Georgia Island and get stuck or be guided around it by ...

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

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

The world's biggest iceberg is drifting toward a tiny south Atlantic island, potentially affecting the wildlife there, ...

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

The slab of ice — named A23a — weighs almost one trillion tonnes and could slam into South Georgia Island before either ...