In NRDC v. Pritzker, the U.S. Court of Appeals for the Ninth Circuit confirmed that the Marine Mammal Protection Act’s (MMPA) incidental take authorizations will be construed narrowly and ...

Dolphins do it. Big brown bats do it. And sometime soon, the Office of Naval Research hopes its researchers will be able to do it too. Echolocation, that is, and turning the processing of such signals ...

For more than a year, the U.S. Navy and environmentalists have been in close combat over sonar and its effect on marine mammals. On Monday, their fighting will culminate in court. The Navy says it ...

Sonar Technicians aboard the guided-missile destroyer USS The Sullivans (DDG 68) monitor sonar equipment during the Southeastern Anti-Submarine Warfare Integrated Training Initiative. There are two ...