The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist warns it risks disrupting feeding for baby penguins and seals.

A23a has run aground in the Southern Ocean after years adrift. But could it continue on its collision course in the future?

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

Flying over the massive iceberg, it's indistinguishable from the horizon. But as it melts, chunks of ice risk floating towards South Georgia, presenting a problem for some of its penguins, seals and ...

Guests can now pose for photos at the National Geographic photo-op for "Secrets of the Penguins" at Disney Springs in Walt ...

The iceberg is blocking a vast area of ocean that is an important feeding ground for macaroni penguins - South Georgia is home to one of the world's largest colonies. Image: Macaroni penguins are ...

The world's largest and oldest iceberg, named A23a, has run aground in shallow waters off the coast of South Georgia, a remote island in the South Atlantic known for its populations of penguins ...

Show more Peter Fretwell, a geospatial information scientist also at the British Antarctic Survey, told Sky News: "This area is extremely important for penguins." He fears the iceberg is blocking ...

In March 2025, penguins were filmed playing on a drifting iceberg near Antarctica's shores. The curious group slides, waddles, and hops across the floating ice in a joyful scene. The video offers a ...

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