The U.S. and Canadian navies have long done sonar testing in orca waters. Now, environmental groups and Washington Gov. Jay Inslee are fighting a U.S. Navy proposal that could harm up to 51 endangered ...

EVERETT, Wash. - When Washington State Ferry workers and captains on a whale tour boat complained about sonar pinging last week, the Navy told them it was standard testing and it could continue on ...

SAN FRANCISCO (CBS/AP) -- The U.S. Navy is seeking permits to expand sonar and other training exercises off the Pacific Coast, a proposal raising concerns from animal advocates who say that more sonar ...

[Photo: Grathio] GPS and Google Maps have been a big help for those of us without a sense of direction, but what if you couldn’t see anything at all? That’s where devices like the Tacit, a ...

Exposing a bottle-nosed dolphin to a couple of minutes of nearby sonar pinging could cause some temporary hearing impairment, a new test finds. What sonar does to marine mammals has become a hotly ...