The world’s biggest iceberg – more than twice the size of Britain’s capital city - is on the move after decades of being grounded on the seafloor in Antarctica.. The huge mass of ice broke ...

"It's a trillion tons of ice," as one expert told NPR. Now the largest iceberg in the world, A23a, is on the move after decades of being grounded on the seafloor.

The world's largest iceberg, A23a, is stuck again. For more than 30 years, the giant frozen block — equivalent to the size of Rhode Island — was grounded on the sea floor in Antarctic coastal ...