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

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 ...

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

While warming temperatures are driving a widespread loss of ice shelves, major calving events have not increased in frequency ...

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

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

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 largest iceberg is still on the move and there are fears that it could be headed north from Antarctica towards the island of South Georgia.

The Denman glacier in East Antarctica is one of the largest and fastest melting glaciers on the continent, and yet little is ...

Iceberg A23a, one of the world's largest icebergs, is drifting toward South Georgia, posing potential risks to wildlife and ...

Iceberg A23a is on a collision course with the remote British island of South Georgia, which provides an Antarctic haven for ...