NASA satellites detected a phytoplankton bloom around Antarctic iceberg A-23A as it melted, showing how icebergs can fertilize the ocean.

Now, far from the icy seas of Antarctica, what’s left of A23a is being eaten away by warmer waters. It’s in its death throes, ...

The world’s largest iceberg, A23a, is finally breaking apart after drifting for decades. Scientists say its collapse could ...

Disintegration of the world's oldest iceberg has implications for global sea levels and marine ecosystems.

One of the oldest and largest Antarctic icebergs on the planet has begun to break apart as it enters warmer water.

The world-famous iceberg, A-23a, has gotten smaller and smaller over the last four decades and now, is nearing disintegration. It's been 40 years since it first broke away, and has now shrunk down to ...

When a chunk of ice breaks off a glacier, that’s called calving. That can happen if the glacier gets warm or some other force makes a piece split off. The end of the glacier – where the iceberg slides ...