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

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

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

March 4 (UPI) -- The oldest and largest iceberg on Earth landed on a sub-Antarctic island belonging to Britain Tuesday.

A massive superberg, four times as big as New York City, has halted east of the southern tip of South America.

Science and technology editor Tom Clarke has been flying over A23a, the world's largest iceberg, and seen first-hand its vast ...

A23a weighs nearly a trillion metric tons, making it the world’s largest active iceberg. It calved from Antarctica in 1986, ...

The world’s largest iceberg has run aground off the coast of a remote island in the Atlantic Ocean, according to British ...

After months of floating, the "megaberg" known as A23a has finally come to a halt roughly 50 miles from South Georgia Island ...

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

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

The world’s largest and oldest iceberg, A23a, has come to a halt near South Georgia Island in the South Atlantic Ocean, ...