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 ...

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

The 'world's biggest iceberg', "A23a iceberg", which is more than twice the size of London, is drifting toward South Georgia ...

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 ...

The world's biggest iceberg -- three time the size of New York City -- could drift towards a remote island where a scientist warns it risks disrupting feeding for baby penguins and seals. The gigantic ...

The world's largest and oldest iceberg is on a collision course with a remote island... potentially putting wildlife in danger. Known as 'megaberg' the colossal slab of ice is drifting towards South ...

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

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

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

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

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