How astronomers plan to detect the signatures of alien life in the atmospheres of distant planets

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...
Forbes

Aliens 200 Light-Years Away Could Detect Our Airports, Scientists Say

Major airports may be alerting intelligent alien civilizations to our presence, according to new research. Are we being watched? Radar systems at major airports may be doing more than managing air ...