Remains of historic aircraft found

DEDAVE is an innovative autonomous underwater vehicle developed by researchers at the Fraunhofer-Gesellschaft. Now the deep-diving robot has had its first chance to prove itself in action as it helped hunt down historic test ...

Debris revives hope of finding Amelia Earhart plane

Researchers on the trail of missing 1930s aviatrix Amelia Earhart say they are increasingly convinced that aluminum debris found on a South Pacific beach came from her lost airplane.

3-D sonar provides new view of Civil War shipwreck

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.

Sonar to give best view yet of Civil War shipwreck

(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.