Exposing a bottle-nosed dolphin to a couple of minutes of nearby sonar pinging could cause some temporary hearing impairment, a new test finds. What sonar does to marine mammals has become a hotly ...

Add articles to your saved list and come back to them any time. Many whale species have sonar systems that send out two pings at once, allowing them to detect underwater objects with greater accuracy ...

The U.S. and Canadian navies have long done sonar testing in orca waters. Now, environmental groups and Washington Gov. Jay Inslee are fighting a U.S. Navy proposal that could harm up to 51 endangered ...

Astronaut Barry Wilmore called NASA for help figuring out what’s causing sonar-like noises to come from Starliner. Astronaut Barry Wilmore called NASA for help figuring out what’s causing sonar-like ...