The “GMAN”, Gerald Swindle, shows how shallow-water anglers can use sonar technology to locate fish and bait around grass and ...

The nation's need for Navy sailors to practice using sonar to guard against enemy submarines "plainly outweighs" any legal requirement to protect orcas and other marine mammals, the U.S. Supreme Court ...

WASHINGTON (AP) -- The Supreme Court appeared divided Wednesday over how to resolve a long-running dispute over whether environmental laws may be used to limit the Navy's use of sonar to protect ...

In a Navy-vs.-whales case watched closely by environmentalists from California to the Puget Sound area, President Bush on Wednesday exempted the Navy from some environmental laws. The fight is over ...

A federal judge yesterday severely limited the Navy's ability to use mid-frequency sonar on a training range off the Southern California coast, ruling that the loud sounds would harm whales and other ...

The first images of the Francis Scott Key Bridge’s mangled position at the bottom of the Patapsco River were taken using sonar technology. The underwater images, released Wednesday, came from the Navy ...

The container ship Dali is seen in the wreckage of Francis Scott Key Bridge on April 1, almost a week after it hit a structural pier causing a subsequent bridge collapse in Baltimore. BALTIMORE — The ...