The world’s largest and oldest iceberg has “set sail” upon a new voyage across Antarctica's Southern Ocean. Known as A23a, the megaberg weighs almost one trillion tonnes and measures 3,900 ...

The world’s largest iceberg is heading towards a remote British island and could threaten millions of penguins and seals that live there. The huge iceberg A23a measures almost 1,500 square miles ...

A new satellite photo has revealed that the "megaberg," A23a, is beginning to break apart, spawning thousands of smaller ice chunks around the Antarctic island of South Georgia.

The colossal iceberg known as A23a has been slowly spinning in one spot of the Southern Ocean since April. Here’s what experts have to say on the phenomenon.

The world's largest iceberg, A23a, is spinning north of Antarctica and it probably will do so for a long time. The block of ice is caught in a swirling ocean current caused by an obstruction on ...

The A23a iceberg, deemed the largest in the world since 2023, was seen losing large chunks of ice after drifting toward the island of South Georgia. The world’s largest iceberg, A23a, has run ...

The iceberg is larger than Rhode Island and is caught in a spinning ocean current, preventing it from traveling north and melting.

The world’s largest iceberg is on the move again, drifting through the Southern Ocean after months stuck spinning on the same spot, scientists from the British Antarctic Survey (BAS) have said.

Megaberg A23a might be on the verge of running into South Georgia and surrounding islands in the South Atlantic. The result could spell trouble for wildlife on those islands, and A23a's movement ...

About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into open Antarctic waters.

The world's largest iceberg, A23a, is moving again after being stuck. It is drifting toward South Georgia, where it will likely break up and melt. Scientists study its impact on ecosystems and ...

A23a has held the “largest current iceberg” title several times since the 1980s, occasionally being surpassed by larger but shorter-lived icebergs, including A68 in 2017 and A76 in 2021.