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 ...

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

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

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

Science and technology editor Tom Clarke has been flying over the world's largest iceberg A23a and seen first hand its incredible scale, its cracks, and the dangers it could pose to wildlife and ...

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

The oldest and largest iceberg on Earth landed on a sub-Antarctic island belonging to Britain Tuesday. According to the ...

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

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 appears to have run aground off the coast of a remote British island home to millions of penguins ...

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