The world's largest iceberg, A23a, is moving into the open waters near Antarctica after being essentially stuck in place for decades. It's seen here in satellite imagery from Nov. 15.

A 1550 square km (963 sq mi.) iceberg, designated A81 broke off Antarctica’s Brunt Ice Shelf. A time-lapse of the 'calving ...

The world's biggest iceberg is on the move – and it's got the moves. The nearly 1,000-ton iceberg, known as A23a, located near Antarctica has done a twirl and spun in a circle. It's not totally ...

A 1550 square km (963 sq mi.) iceberg, designated A81 broke off Antarctica’s Brunt Ice Shelf. A time-lapse of the 'calving ...

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 ...

It's so big, scientists are calling it a "megaberg." The world's largest iceberg, with the unglamorous name of A23a, continues to move through the ocean near Antarctica, and British researchers ...

The iceberg first calved off the Filchner-Ronne ice shelf in West Antarctica in 1986, but it immediately ran aground on the ocean floor, remaining in place for more than 30 years.

Fractures in an Antarctic iceberg were likely caused by rapid changes in the currents that flow through the Southern Ocean. When you purchase through links on our site, we may earn an affiliate ...

On Jan. 13, the iceberg, named A-84, broke off from the George VI Ice Shelf, a massive floating glacier attached to the Antarctic Peninsula ice sheet, according to the Schmidt Ocean Institute.

The iceberg, known as A76, following a naming convention established by the National Ice Center, naturally split from Antarctica’s Ronne Ice Shelf into the Weddell Sea through a process known as ...

The iceberg known as A23a split from the Antarctic’s Filchner Ice Shelf in 1986. The iceberg is about three times the size of New York City and more than twice the size of Greater London.

Fractures in an Antarctic iceberg were likely caused by rapid changes in the currents that flow through the Southern Ocean. When you purchase through links on our site, we may earn an affiliate ...