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Frozen mass known as A23a threatens penguin and seal colonies on South Georgia and is expected to make contact in two to four weeks ...

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 ...

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 ...

NASA is on a mission to collect as much information as it can about the Larsen C ice shelf and its new A-68 iceberg. When A-68 broke off of Larsen C earlier this year, it was a historic event.

Here’s how it works. To explore potential connections between climate change and large iceberg formation in Antarctica, MacKie et al. carried out the first long-term analysis of the continent's ...