This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A Canadian military surveillance aircraft ...

Electrical engineers at the University of California, San Diego developed a receiver that can detect a weak, fast, randomly occurring signal. The study, published in the Dec. 11 issue of Science, lays ...

A Canadian military surveillance aircraft detected underwater noises as a massive operation searched early Wednesday in a remote part of the North Atlantic for a submersible that vanished while taking ...