LONDON--(BUSINESS WIRE)--The new Sound Navigation and Ranging (SONAR) System Market Research from Technavio indicates Negative and Inferior growth in the short term as the business impact of COVID-19 ...

TOKYO — The Defense Ministry is considering equipping the Maritime Self-Defense Force's submarines with active sonar that sends out sound waves to detect the location of other vessels, The Yomiuri ...

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, ...

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.

SAN DIEGO — The Navy will use passive sonar starting today during a major training exercise off Hawaii while exploring possible legal options to overcome a judge’s temporary ban on active sonar, ...

The U.S. Navy is asking to be exempted from a federal law that forbids the harassment or killing of whales as it begins exercises with a powerful new sonar designed to hunt for super-quiet submarines.

The Navy wants to deploy a global surveillance system to hunt for a new generation of silent enemy submarines. But marine scientists and environmentalists are fighting the proposal, saying it could ...

Navy-funded researchers recently tagged four whales and two Risso’s dolphins near San Clemente Island to see what effects Navy sonar training has on marine mammals’ movements and behavior. The study, ...

This summer, billions of cicadas will rise from under the East Coast, shed their grub-like bodies, and clumsily fly to perches in trees, where they will make a terrible racket. The insects are singing ...

A particular form of sonar test, called the low frequency active signal, rapidly sweeps from low to high frequencies over its one-minute duration. The pulsating sound waves from the signal can ...

The Navy is rolling out its latest plan to manage wildlife in its ocean training grounds from Southern California to Hawaii. But after years of legal battles, environmentalists worry the Navy is ...