The world's largest iceberg, called A23a, more than twice the size of London and weighing about billion tonnes, is drifting away. It's currently heading for the Atlantic. After clinging to the ocean ...

The authors show that the iceberg had melted enough as it drifted to avoid damaging the sea floor around South Georgia by running aground. However, a side effect of the melting was the release of ...

The world's largest iceberg, called A23a, more than twice the size of London and weighing about billion tonnes, is drifting away. It's currently heading for the Atlantic.