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

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 ...

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 ...

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