Trillion-tonne iceberg breaks off Antarctica

A Delaware-sized iceberg, one of the largest ever seen, was set adrift after snapping from a West Antarctic ice shelf that will be closely watched for signs of collapse, scientists say.

Trillion-tonne iceberg breaks off Antarctica

A trillion-tonne iceberg, one of the largest ever recorded, has snapped off the West Antarctic ice shelf, scientists who have monitored the growing crack for years said on Wednesday.

Melting ice caps

A trillion-tonne iceberg, one of the biggest on record, has snapped off the West Antarctic ice shelf, said scientists Wednesday who have monitored the growing crack for months.VIDEOGRAPHIC