The oldest and largest iceberg on Earth landed on a sub-Antarctic island belonging to Britain Tuesday. According to the British Antarctic Survey research organization, the mass known as A23a has ...

The trillion-ton slab of ice — called a megaberg — is currently aground near the South Georgia Island. A23a could affect the ...

Flying over the massive iceberg, it's indistinguishable from the horizon. But as it melts, chunks of ice risk floating ...

The world's largest and oldest iceberg, named A23a, has run aground in shallow waters off the coast of South Georgia, a ...

The world's largest iceberg has run aground just off the coast of South Georgia. But what does this mean for the wildlife there?

Satellite images taken at the beginning of March show the iceberg parked on a shallow underwater shelf off the coast of South ...

A23a, trillion-ton mega iceberg the size of Rhode Island, drifting toward South Georgia. Scientists warn of its potential ...

The nearly one-trillion-tonne block of ice, known as A23a, has grounded on the continental shelf off South Georgia island ...

The massive A23a iceberg, weighing a trillion tons, is heading toward South Georgia Island. Originating in 1986 from ...

A23a had been floating across the Southern Ocean for five years before it ran aground near the Island of South Georgia.

A trillion-ton behemoth, larger than some small countries, is on the move—and it looks straight out of Game of Thrones.

Iceberg A23a has halted near South Georgia, sparking concerns over wildlife disruptions and ecosystem changes.