The U.S. Navy has received authorization from federal biologists to expand sonar testing and other warfare training off the coast of Washington, Oregon and Northern California.
The remains of the only U.S. Navy ship sunk in combat in the Gulf of Mexico during the Civil War can now be seen in high-resolution, 3-D sonar images from the Gulf's murky depths.
(AP)—Researchers are using new 3-D sonar imaging technology to capture the most complete picture yet of what remains of the only U.S. Navy ship sunk in combat the Gulf of Mexico during the Civil War.
(AP) -- The U.S. Navy may hurt more dolphins and whales by using sonar and explosives in Hawaii and California under a more thorough analysis that reflects new research and covers naval activities in a wider area than previous ...
Conservationists and Native American tribes are suing over the Navy's expanded use of sonar in training exercises off the Washington, Oregon and California coasts, saying the noise can harass and kill whales and other marine ...
(PhysOrg.com) -- A team of researchers recently completed a two-month research project off the Southern California coast, part of a collaboration to study marine mammal behavior and responses to sounds in the ocean.
Rocket science is opening new doors to understanding how sounds associated with Navy sonar might affect the hearing of a marine mammal - or if they hear it at all.
(AP) -- In the blue-green surf, 11 endangered North Atlantic right whales surface, jump and shoot mist high into the air through their blow holes.