The world’s biggest iceberg — a 130-foot (40-meter) tall wall of ice the size of Rhode Island — that had shaken loose of its mooring is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals.

The world's iceberg is heading for South Georgia—a wildlife haven in the South Atlantic—and scientists are worried.

The world’s largest iceberg – A23a – continues to move along its collision course with the remote British island of South Georgia. If previous iceberg crashes are anything to go by, a bump with this icy behemoth could be a catastrophe for their resident seals,