You can't, right? Well, not with your eyes. But you can "see" with sound waves. See how it works below, then find out what sonar is used for.

(To learn how sonar works, see Experiment with Sonar.) Taken in 1975, this photograph, which seems to show the flipper of an aquatic creature, helped rekindle interest in the monster. The use of ...

It allows anglers to see below water in all directions. But the Department of Natural Resources is concerned that the ...

Scottish government agency NatureScot challenged the private sector to use technology to work out where they live. It is hoped the sonar technique will allow early measures to be put in place to ...

MELBOURNE, Fla. — The car came across the sonar screen as a bright block in a sea of oranges and reds. To many, it would be an unimpressive feature 24 feet under the surface of the retention ...

Within the past year, the agency created a work group to study the impact of forward-facing sonar, starting with surveys to determine how many anglers use the technology and how much they're ...