NASA snaps picture of huge crack in Greenland ice shelf
An unexpected crack has emerged across a giant Greenland glacier, raising concerns that a big chunk of the glacier might ...
Tag: calving
NASA satellite spots mile-long iceberg breaking off from Antarctic glacier
NASA's satellites witnessed the dramatic breaking of the iceberg.
EDITOR'S PICKS
How long can you go without sleep? Key facts
Sleep deprivation can cause serious health problems over extended periods of time. Here's what you need to know.
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