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

Currently, the gigantic iceberg A23a is moving toward the South Atlantic Ocean and will strike South Georgia Island in two to ...

A massive iceberg, A23a, is moving towards South Georgia Island, potentially impacting wildlife. The iceberg could arrive in ...

The world's largest iceberg is gradually breaking apart, as revealed by satellite images. Known as A23a, the iceberg—twice ...

The massive A23a iceberg, covering around 3,500 square kilometers (1,350 square miles), broke off from the Antarctic shelf in 1986 and remains the world's largest and oldest iceberg. After ...

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

The world's largest iceberg, A23a, is drifting toward South Georgia Island, a remote and ecologically vital wildlife haven. This massive block of ice, about the size of Rhode Island, poses a ...

According to the U.S. National Ice Center —the global entity that names, tracks and documents Antarctic icebergs that meet ...

The world's biggest iceberg is on the loose and is threatening to collide with a tiny south Atlantic island, potentially affecting the wildlife there, scientists warned this week. Known as A23a ...

An environmental disaster is almost certain if A23a continues its trajectory north. According to recent sightings, the iceberg is around 400 meters thick and is melting and breaking apart as it ...

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