People who study whales and dolphins in Puget Sound say Navy sonar is spooking and even killing the marine mammals. They point to an incident May 5 in Haro Strait in which orcas and Dall's porpoises ...

GPS and radar can scout out missing objects on Earth's surface but are no match for the ocean. Water absorbs electromagnetic radiation, which is why sonar tech using sound waves is necessary. But even ...

Question: How does sonar work? Answer: The word “SONAR” stands for SOund Navigation And Ranging. For both humans and animals, it is a way to understand what’s around you using sound instead of sight.

For decades scientists have known that naval sonar can have a detrimental impact on marine life. The sound is so intense that marine mammals will swim hundreds of miles, dive incredibly deep, or even ...

It’s not easy being deaf in the dark—especially when your greatest enemy is a master of sound. Such is the twilight plight of the humble cabbage tree emperor moth (Bunaea alcinoe): It’s all these ...

Several levels below deck, in the Combat Information Center, WRAL had the rare chance to see the technology that makes the ship one of the Navy's most advanced destroyers. It's called active sonar, ...

Engineers at Cornell University have developed a new wearable device that can monitor a person’s facial expressions through sonar and recreate them on a digital avatar. Removing cameras from the ...