A, the world’s oldest and largest (about the size of Rhode Island), may hit South Georgia Island, home to vulnerable penguins ...

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 ...

An enormous chunk has broken off the world's largest iceberg, in a possible first sign the behemoth from Antarctica could be ...

The trillion-ton slab of ice named A23a could slam into South Georgia Island and get stuck or be guided around it by currents ...

Blood Falls in Antarctica flows unpredictably with iron-rich, salty water. Microbes inside survive without sunlight.

The world's biggest iceberg is drifting toward a tiny south Atlantic island, potentially affecting the wildlife there, ...

New models reveal hidden water networks beneath Antarctica, accelerating glacier movement. Ice melt could raise sea levels by ...

The world's largest and oldest iceberg is on a crash course with a remote island potentially putting wildlife in peril, ...

Antarctic ice shelves are shrinking mainly due to frequent small calving events, while major iceberg break-offs remain rare ...

The slab of ice — named A23a — weighs almost one trillion tonnes and could slam into South Georgia Island before either ...

Roughly 1,550 square miles across, the world's biggest and oldest iceberg, known as A23a, calved from the Antarctic shelf in 1986. Before its calving in 1986, the colossal iceberg hosted a Soviet ...