An iceberg seen on NASA’s Aqua satellite, known as A23a, center, is visible as it heads toward South Georgia Island, top, on Jan. 15, 2025, off the coast of Antarctica. [Photo: NASA Worldview ...

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 ...

Roughly 3,500 square kilometres (1,350 square miles) across, the world's biggest and oldest iceberg, known as A23a, calved from the Antarctic shelf in 1986. It remained stuck for over 30 years ...

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 ...