Antarctica, often regarded as the planet's last true wilderness, harbors unique ecosystems that support extraordinary ...

Measuring roughly 1,350 square miles (3,500 square kilometers) across, A23a is the world's largest and oldest iceberg ...

Where no observation is available within the last 75 minutes, the latest observation is shown in italics and coloured and removed from the table after 30 hours. Station names link to data for the ...