The world's biggest iceberg is on the move after 37 years, and it could threaten wildlife

• A23a, the world's biggest iceberg, is on the move 37 years after it broke off from Antarctica. 
• The iceberg, which covers about 1,500 square miles, is set to enter the Atlantic Ocean.
• Scientists will keep a close eye on it as it could threaten wildlife near South Georgia Island.

The world's biggest iceberg, covering about 1,500 square miles, is on the move.

The 1,312 ft-feet-tall iceberg is now drifting and is set to leave the Weddell Sea, where it has been grounded since the 1980s, the BBC reported Friday