A, the world’s oldest and largest (about the size of Rhode Island), may hit South Georgia Island, home to vulnerable penguins ...

A giant chunk has broken off the largest iceberg in the world, which may be the first sign of its deterioration. The behemoth ...

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

An enormous chunk has broken off the world's largest iceberg, in a possible first sign the behemoth from Antarctica could be ...

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

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

The world’s largest iceberg ‘A23a’ broke away from the Filchner Ice Shelf in 1986 and is now drifting northwards.

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

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

The colossal iceberg A23a is on a collision path with the island of South Georgia, a British overseas territory between Antarctica and Argentina in the South Atlantic Ocean. The big berg is ...