A major body of frozen water has run aground in the Southern Ocean. A23a, the world’s largest and oldest iceberg, broke off Antarctica nearly 40 years ago. In 2020, it began to journey toward South ...

It's been a long and unusual journey for the world's largest iceberg, known as A23a, but it's ending in a relatively usual way: breaking apart and melting in the warmer waters of the South Atlantic ...

The world’s largest and most enduring iceberg is splintering into smaller pieces, to the point that it’s no longer the biggest chunk of ice floating in the oceans. The shrinking megaberg, known as ...

1,000,000,000,000 tons. That’s one trillion, with a “t” at the start. And that’s how much A23a, aka the world’s largest iceberg, weighs. It spans across about 1,418-sqaure-miles, or about three times ...