According to the British Antarctic Survey (BAS), the 3,600 square kilometer iceberg known as A23a broke off from Antarctica and was reportedly going adrift in the South Atlantic, probably towards ...

Megaberg A23a might be on the verge of running into South Georgia and surrounding islands in the South Atlantic. The result could spell trouble for wildlife on those islands, and A23a's movement ...

Known as A23a, the 1,400-square-mile iceberg had been stuck on the ocean floor near Antarctica for 37 years after splitting in 1986 from the Antarctic’s Filchner Ice Shelf. But it began to ...

The world's largest iceberg, A23a, is drifting toward South Georgia Island, a remote and ecologically vital wildlife haven. This massive block of ice, about the size of Rhode Island, poses a ...

The massive ice chunk goes by the unassuming name of A23a. NICK HOLSCHUH: A23a is huge, 1,400 square miles. It's about the size of Rhode Island. A MARTÍNEZ, HOST: Nick Holschuh teaches geology at ...

Roughly 1,550 square miles across, the world's biggest and oldest iceberg, known as A23a, calved from the Antarctic shelf in 1986. Before its calving in 1986, the colossal iceberg hosted a Soviet ...

A23a broke off from Antarctica's Filchner Ice Shelf in 1986. It hung around for decades in the Weddell Sea before it started to drift northward. Four years later, it became trapped in a swirling ...