Radio Signals

NASA Uses Powerful Transmitters to Talk to Deep Space Spacecraft. Will Other Civilizations Receive Those Signals?

In a recent study submitted to the Publications of the Astronomical Society of the Pacific, a pair of researchers from…

2 years ago

Snooping on Alien Messages Passing Through the Solar System

Researchers at Penn State University have studied a new technique that could use a star’s ability to focus and magnify…

2 years ago