The giant iceberg broke away from Antarctica's Filchner Ice Shelf in 1986. It later became known as A23a after splitting from a larger iceberg called A23 in 1991.

Add Yahoo as a preferred source to see more of our stories on Google. According to the U.S. National Ice Center, the world's largest iceberg, named A23a, has broken up. As of August 2025, iceberg A23f ...

For 40 years, one iceberg has held the title of "world's biggest." Now, the giant floating chunk of ice is losing its superlative status. Here's what we know.

Add Yahoo as a preferred source to see more of our stories on Google. An aerial view of iceberg A23a in the South Atlantic Ocean near South Georgia and the South Sandwich Islands on November 24, 2024.

The world's largest and most enduring iceberg is splintering into smaller pieces, to the point that it's no longer the biggest chunk of ice floating in the oceans. The shrinking megaberg, known as ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The largest iceberg in the world has split off into thousands of ...

The world’s largest iceberg ‘A23a’ broke away from the Filchner Ice Shelf in 1986 and is now drifting northwards. An environmental disaster is almost certain if A23a continues its trajectory north.

The melting of ice is inevitable. It will eventually become water. The issue is the speed. A23a, once dubbed the "largest existing iceberg" since 1986, has recently vanished completely from Antarctica ...

March 4 (UPI) --The oldest and largest iceberg on Earth landed on a sub-Antarctic island belonging to Britain Tuesday. According to the British Antarctic Survey research organization, the mass known ...

In a seemingly reverse Titanic reenactment, the world’s largest iceberg is heading straight for a remote British territory—one teeming with sensitive wildlife. The colossal iceberg A23a is on a ...