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 ...

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

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

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

The mega iceberg will have local effects and concerns have been raised about its potential impact on the region's marine life ...

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

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

As the iceberg melts, its released elements can alter the physics and chemistry of the ocean, propelling particles from the ...

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

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