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

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

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

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

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, A23a, has grounded 73 kilometers off South Georgia Island, alleviating concerns about a ...

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

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 one-time world's largest iceberg has run aground in shallow waters off the remote British island of South Georgia. The ...