The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

If aliens are watching Earth, they might be able to detect us from the radio signals we beam to Mars to control our rovers there. Astronomers have now listened in on the nearby TRAPPIST-1 system to ...

A nearby star system has just served as the proving ground for a new technique to search for signs of extraterrestrial life. As detailed in a study set to be published in The Astronomical Journal, ...