New satellite images reveal the world's most enormous iceberg, potentially on a collision course with South Georgia Island. On January 22, NOAA's GOES East satellite captured images of A23a slowly ...

The world's biggest iceberg is on the loose and is threatening to collide with a tiny south Atlantic island, potentially affecting the wildlife there, scientists warned this week. Known as A23a ...

blue) and November 26 (red). Iceberg A23a is so big, the British Antarctic Survey calls it a “megaberg.” You could fit Greater London onto it two times over. A23a is the heavyweight iceberg ...

The world's biggest iceberg -- three time the size of New York City -- could drift towards a remote island where a scientist warns it risks disrupting feeding for baby penguins and seals.

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

November 26 (red). Iceberg A23a sounds like it should have a vintage horror movie catchphrase like “It came from West Antarctica!” or “Zombie iceberg on the loose!” The veteran iceberg had ...

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 ...