Watch scientists fly over colossal crack left by new Antarctic iceberg

For years, the cracks grew. And in mid-February 2021, a new massive Antarctic iceberg was born.

The British Antarctic Survey released footage last week of the grand crack left by 490 square-mile iceberg A74 (it's larger than Los Angeles), which snapped off Antarctica's Brunt Ice shelf. (An ice shelf is the end, or tongue, of a...