A23a has followed roughly the same path as previous massive icebergs, passing the east side of the Antarctica Peninsula through the Weddell Sea along a route called "iceberg alley." That is the ...

An iceberg seen on NASA’s Aqua satellite, known as A23a, center, is visible as it heads toward South Georgia Island, top, on Jan. 15, 2025, off the coast of Antarctica. [Photo: NASA Worldview ...

The world's biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote island off Antarctica that's home to millions of penguins and seals. The trillion-ton slab ...

The formation, movement and melting of icebergs offer insights into some of the most extreme areas of the cryosphere, like Antarctica and Greenland.

Known as A23a, the 1,400-square-mile iceberg had been stuck on the ocean floor near Antarctica for 37 years after splitting in 1986 from the Antarctic’s Filchner Ice Shelf. But it began to ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

The world's biggest iceberg, with a Game of Thrones style ice wall, is closing in on South Georgia Island off Antarctica. If the iceberg, known as A23a, becomes hung up in the waters around the ...

They can be the size of a small country and are generally found in the North Atlantic and around Antarctica Icebergs can cause massive damage. The most famous iceberg in history was the one that ...

The world’s biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals.The trillion-ton ...

The world’s biggest iceberg – a wall of ice the size of Rhode Island – is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals. The trillion-ton ...

The colossal iceberg A23a is on a collision path with the island of South Georgia, a British overseas territory between Antarctica and Argentina in the South Atlantic Ocean. The big berg is ...