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 ...

It takes two hours for the Bluefin-21 underwater vehicle to reach the seabed to search for remnants of Malaysia Airlines Flight 370. Why do authorities think it's now the best hope for finding the ...

Has an underwater drone helped solve one of the biggest mysteries? Amelia Earhart and her navigator, Fred Noonan, vanished over the Pacific Ocean in 1937 in their attempt to fly around the world. It's ...

Sound is essential for communication and sensing in dolphins, so anything that disrupts it could be bad news. That is why conservation science company SEA, in collaboration with the US Navy, has been ...