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 is drifting toward a tiny south Atlantic island, potentially affecting the wildlife there, ...

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

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

This is not the first time an iceberg has posed a threat to South Georgia. In 2004, iceberg A38 "grounded on its continental ...

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

A23a, the world’s largest iceberg, broke loose from Antarctica; now it’s spiraling towards South Georgia Island.

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

Millions of Americans are under weather warnings or advisories today as the U.S. braces for a new winter storm this week. A ...

The world's biggest iceberg, known A23a, is on a collision course with a tiny island in the South Atlantic, which is home to millions of seals and nearly half the world's population of king penguins.

Iceberg A23a, one of the world's largest icebergs, is drifting toward South Georgia, posing potential risks to wildlife and ...