While warming temperatures are driving a widespread loss of ice shelves, major calving events have not increased in frequency ...
Roughly 3,500 square kilometres (1,550 square miles) across, the world's biggest and oldest iceberg known as A23a calved from the Antarctic shelf in 1986. It remained stuck for over 30 years until ...
For over 30 years, the A23a iceberg stayed anchored to the Antarctic Weddell Sea floor before it shrank and lost its grip on the seafloor which turned it into a massive floating fragment of ice. The ...
Iceberg A23a, one of the world's largest icebergs, is drifting toward South Georgia, posing potential risks to wildlife and ...