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

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

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

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

The potential impact on South Georgia Island's ecosystem is worrying. Penguins, seals, and other marine animals depend on the island's surrounding waters for food and breeding. If A23a grounds ...

said that icebergs such as A23a "are so deep that before reaching an island or mainland they generally get stuck" on the seabed. It is summer in South Georgia and resident penguins and seals along its ...

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