Sonar disturbs blue whales feeding

No one really knows why pods of whales spontaneously drive themselves aground. Military sonar may be one culprit, and the need to train and test submarine tracking technology in open water could put the US Navy in conflict ...

Swimming tragedy sparks hi-tech safety drive

The death of a competitor in an open water race has prompted swimming chiefs to introduce high-tech sonar equipment to keep athletes safe at the world championships in Shanghai.

Navy study: Sonar, blasts might hurt more sea life

(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 ...

Underwater ice terrace observed at the front of Grey Glacier

By using underwater sonar, researchers have found that a glacier jutting into a freshwater lake in southern Chile looks different underwater compared to ocean-bound glaciers in Greenland. Their findings, published in the ...

Underwater drone to investigate sonar contacts in MH370 hunt

A ship involved with the deep-sea sonar search for missing Malaysia Airlines Flight 370 is being fitted with a drone that will examine several sonar contacts of interest on the remote seabed west of Australia, officials said ...

page 5 from 8