The “GMAN”, Gerald Swindle, shows how shallow-water anglers can use sonar technology to locate fish and bait around grass and structure. With a few key adjustments, he proves that this high-tech tool ...

Drones, sonar, and search dogs are transforming how missing-person searches unfold. Here’s how each technology works — 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 ...

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 ...

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 ...