New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

The findings of a new study may help "explain some of the radio silence we’ve seen in technosignature searches" for alien ...

New detection method: Researchers created a statistical test that identifies life by spotting distinctive patterns in molecular diversity and distribution. Applicable to missions: The method can be ...

Hidden life signs: Scientists caution that life could exist undetected due to degraded traces, subsurface habitats, or unfamiliar biosignatures. Mars mineral mystery: Iron-rich minerals on Mars show ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

Scientists now believe alien signals may have already reached Earth, and the reason we keep missing them has nothing to do ...

In the endless search for technosignatures—signs from some technologically advanced intelligent alien civilization—we've done everything from monitoring radio arrays to hypothesizing about whether ...