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 ...

A23a, the world's largest and oldest iceberg, is finally cruising again through icy ocean waters after an unexpected delay. This summer, A23a got stuck near the South Orkney Islands, twirling in ...

The Earth's largest iceberg with the designation of "A23a" is now on the move again after spending various months stuck in an ocean vortex over at the South Orkney Islands after breaking free from ...

There is a moment each year when the Arctic stops reflecting light and starts holding it. It does not announce itself. Satellites notice first. Then, researchers begin to compare notes. By late summer ...

About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free,... A23a, the world's largest and oldest iceberg, is ...