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 ...

If it gets stuck near South Georgia Island, that could make it hard for penguin parents to feed their babies and some young ...

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

A massive iceberg, identified as A23a, is drifting northeastward and could be on a collision course with the British ...

The world’s biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals.

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.

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