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.

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 ...

Antarctic sea ice began to change rapidly in 2015 and 2016. Since then it has remained well below the long-term average.

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.

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 ...

Iceberg B-22A, which first broke off from Antarctica's Thwaites Glacier in 2002, is finally moving away from the South Pole after being freed from its seafloor tether. Skip to main content.

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 ...

In a nutshell Iceberg A23a is drifting toward South Georgia, but experts believe it will likely run aground before reaching land. New research suggests Antarctic icebergs have been drifting for at ...

Learn about the new technique being used to study cracks that have formed on Antarctica's unstable Doomsday Glacier.

Scientists capture stunning moment iceberg collapses into ocean 00:49. A massive slab of ice, roughly the shape of Manhattan but more than 70 times larger, has sheared off from Antarctica and ...

It is no strange sight to see icebergs break off of the Antarctic ice cap and drift away, like the gigantic sheet of ice that is currently heading for the island of South Georgia. But climate ...

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 ...