WASHINGTON D.C., DC — One of the largest and longest-lived icebergs ever tracked by scientists has turned blue from meltwater and is "days or weeks" from disintegrating, NASA said on Thursday. Iceberg ...

A colossal Antarctic iceberg that first broke free in the 1980s is now soaking up the summer warmth, and from orbit seems to be turning a shade of aquamarine. In this recent image from NASA's Earth ...