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 ...

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

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

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 island of South Georgia is home to king penguin colonies and millions of fur and elephant seals Credit: LPhot Lee Blease/Cover Images Laura Taylor, a biogeochemist who also took part in the ...

The trillion-ton slab of ice named A23a could slam into South Georgia Island and get stuck or be guided around it by currents. An iceberg seen on NASA’s Aqua satellite, known as A23a, center, is ...

Why does it pose a threat to South Georgia? The iceberg could ground against the island, meaning that the many seals and penguins which live there could be unable to access food. The iceberg is ...