Perfectly Rectangular Iceberg Captured by NASA Cameras

A NASA mission to study icebergs captured photographs of a rectangular iceberg with highly regular features, Oct. 18, 2018. Jeremy Harbeck/NASA

An unusual, rectangular iceberg floating in a sea off Antarctica was captured by one of NASA’s research planes.

The aircraft flyover was part Operation IceBridge, NASA’s longest-running aerial survey of polar ice. It flew over the Weddell Sea in the northern Antarctic Peninsula on Oct. 16, 2018.