The huge block of ice, known as a tabular berg, was found off the east coast of the Antarctic Peninsula, near the Larsen C ice shelf, and is thought to measure a whopping mile in length.
NASA's ongoing, decades-long survey of polar ice has yielded some truly incredible photographs over the years, but one recent still captured what appears to be a perfectly, nearly impossibly rectangular iceberg.
Well here's something you don't see everyday: an iceberg so unbelievably geometric in shape you'd think it was deliberately carved with a enormous chainsaw.
Based on its relatively smooth edges and pristine condition, this berg likely only calved very recently, according to NASA.
Snapped by NASA's ICE mission, as part of Operation IceBridge, the giant tabular iceberg borne of the Larsen C ice shelf looks as though it was neatly cut from the wider ice shelf using a giant band saw.
Kelly Brunt, a glaciologist with Nasa and the University of Maryland, said the process of formation was a bit like a fingernail growing too long and cracking off at the end.
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It even has a name: A tabular iceberg, a type of iceberg both broad and flat.
She said there were two types of iceberg.
"What makes this one a bit unusual is that it looks nearly like a square", Brunt said, adding that it's probably not very old since wind and water have yet to soften its sharp edges.
The agency also captured a triangular berg drifting in the Weddle Sea.
Brunt observed that the square-like iceberg appeared new at the time because its edges still looked sharp-signs that wind and water had not done their jobs of eroding the iceberg's surface.
"Sea ice conditions have kept a lot of them near Bawden Ice Rise".