Morse code transmits information through sequences of dots, dashes, and spaces, allowing messages to travel long distances ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration: MH370 plane on blue background with radio signals being emitted around itt Transmissions from amateur radio ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...

Our galaxy is tossing bits of itself out into space, and a burst of radio waves from another galaxy 163 million light years away recently helped astronomers prove it. The enigmatic radio waves are ...

Alan Higbie signed up for the Army to avoid the infantry; he ended up talking to a revolution. It all started with a crystal ...

Nick’s Signal Spot is a new feature in which Nick Langan explores RF signals, propagation, new equipment or related endeavors. First, the broken white lines on the Pennsylvania Turnpike asphalt become ...