sonar

(Newser) - The US Navy is not exempt from laws that ban whale-harming sonar, a federal appeals court has ruled. The Bush administration had contested an earlier ruling, arguing that halting sonar use when whales are nearby poses "significant restrictions on our ability to train realistically." Whales and dolphins have...

(Newser) - Researchers are trying to determine what killed a female dolphin that washed up on an island off the coast of San Diego—an area where the Navy conducted controversial sonar tests, the Los Angeles Times reports. The dolphin washed up as the Navy challenges court-imposed restrictions on the use of...

(Newser) - Three World War II U-boats, known as "Hitler's lost fleet," have been discovered off the Turkish coast, the Telegraph reports. A Turkish team combined archival research with sailor interviews and sonar technology to find the wreckage, part of the six-boat fleet that dogged Russian ships in the Black...