NASA scientists found Camp Century, an abandoned Cold War military base, during a flight to map the Greenland Ice Sheet.

What’s old is new again. NASA scientists discovered an underground “city” buried 100 feet beneath the ice of Greenland. Researchers were shocked when their advanced radar technology

A NASA aircraft's ice-penetrating radar revealed the lost Cold War-era Camp Century under Greenland's ice. Built in the 1960s for nuclear missile deployment, the base was abandoned due to cost and ice instability.