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

The gigantic wall of ice is moving slowly from Antarctica on a potential collision course with South Georgia, a crucial wildlife breeding ground in the South Atlantic. Satellite imagery suggested ...

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 trillion-ton slab ...

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 trillion-ton slab of ice — ...

Completing any marathon is a major accomplishment, but completing the race on one of the world's toughest courses is another beast. Take a look at some of the m ...

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