Space Daily September 17, 2026 • 17:00

A Cold War hydrophone network built to track Soviet submarines across entire ocean basins was declassified in 1991, and scientists now use those same undersea microphones to follow individual whales calling to each other across thousands of miles of ope - Space Daily

A Cold War hydrophone network built to track Soviet submarines across entire ocean basins was declassified in 1991, and scientists now use those same undersea microphones to follow individual whales calling to each other across thousands of miles of ope - Space Daily

The military's greatest acoustic achievement may be its greatest gift to marine biology: a spy network designed to hunt submarines now reveals the secret conversations of whales.

Christopher Clark, the marine mammal scientist who ended up running the civilian side of this network, has said it plainly: “I could show you the evidence today. I can listen in Puerto Rico to a whal… [+5449 chars]

More from Space Daily