Cold War submarine sensors revealed whale songs travelling across entire oceans
TIMESOFINDIA.COM / Jun 05, 2026, 17:55 (IST)
The US Navy's secret listening network, SOSUS, built during the Cold War, was meant to track Soviet submarines. Instead, it captured the haunting songs of whales. These low-frequency sounds, too deep for humans to hear, revealed whales communicating across vast ocean distances. This accidental discovery transformed our understanding of marine life.