Even the Navy estimates that increased sonar training will significantly harm marine mammals more than 10 million times during the next five years off the U.S. coast alone.

The capital infusion doubles Sonar’s funds for the development, financing, production and distribution of premium content, with the programming budget now north of $250 million.

Now some biologists and environmental groups fear that such mass strandings will become more common if the Navy wins approval for a sonar program it wants for detecting submarines. Called the ...

The U.S. Navy can use high-powered sonar during exercises off the Southern California coast despite the technology's threat to whales and other marine mammals, a federal appeals court ruled Friday ...

SAN FRANCISCO The U.S. Navy can use high-powered sonar during exercises off the Southern California coast, despite the technology’s threat to whales and other marine mammals, a federal appeal… ...

Under the sonar program award, Lockheed will be engaged in the development, production, support and modernization of all U.S. submarine sonar systems, including initial system deliveries for ...

The Navy says it needs a super-loud sonar system to defend against terrorist nations. Environmentalists say the noise will deafen or even kill whales. The two sides will duke it out in court ...

ONR’s Bio-Sonar program supports the bat research of Brown University neuroscientist, Jim Simmons. Bats use sonar to find food and avoid obstacles much the way our military sonar systems would ...