How Nature's Deep Sea 'Antenna' Puzzled the World

In 1964, while trolling the depths to photograph the ocean floor, the crew of the oceanographic research ship USNS Eltanin made a startling discovery in the waters near Antarctica. Amid the countless prints of vast terrain 13,500 feet beneath the waves, one picture contained something that no one could imagine: what appeared to be a large antenna, anchored to the seabed.