Environmentalists fear for the island's rare king penguins and millions of elephant and fur seals if iceberg collides.
The trillion-ton slab of ice named A23a could slam into South Georgia Island and get stuck or be guided around it by currents ...
The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist ...
The A23a iceberg calved from the Antarctic ice shelf in 1986, but only started moving north away from the frozen continent ...
If it gets stuck near South Georgia Island, that could make it hard for penguin parents to feed their babies and some young ...