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 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 ...

Fishermen using sonar equipment found a vehicle at the bottom of an Illinois river that is connected to the 1976 disappearance of two men. The gold 1966 Chevrolet Impala was found about 8 to 10 feet ...