The waves' origin is unknown, so they hint at the existence of a new type of celestial object. The signal doesn't look like the kind that comes from stars, planets, or even dead stars. Mysterious ...

Humanity has been leaking radio noise into the cosmos for just over a century, and those signals now form a vast, expanding ...

Radio waves from Earth have been moving through space for more than a century. They did not start as part of any grand plan ...

The journey of Earth’s radio signals began over a century ago, following the first intentional broadcast by Reginald Aubrey Fessenden in 1906. These signals have been traveling across the Milky Way ...

Creating an ultra-low-powered radio device has always been thought impossible because it would rely on perpetual motion to generate energy. That's because the second law of thermodynamics, one of the ...

Something’s fishy in the southern constellation Phoenix. Strange radio emissions from a distant galaxy cluster take the shape of a gigantic jellyfish, complete with head and tentacles. Moreover, the ...

The circuit was designed to provide an alarm system that would transmit signals across the medium wave or the radio wave. The circuit was designed to provide an alarm system that would transmit ...

SALT LAKE CITY, Oct. 12, 2009 – University of Utah engineers showed that a wireless network of radio transmitters can track people moving behind solid walls. The system could help police, firefighters ...