Antarctic scientists have been able to get an “incredibly lucky” inspection of the world’s largest iceberg – about three times the size of New York City – which calved off the icy continent nearly 40 years ago.
The huge iceberg, known as A23a, was once attached to an ice shelf in West Antarctica, south of Chile, but separated in 1986. Since then, the iceberg has been stranded in the Weddell Sea, stuck to the ocean floor.