Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

New detection method: Scientists found that life leaves distinct statistical patterns in molecular diversity and distribution, offering a new way to identify biosignatures. Beyond Earth chemistry: The ...

A new study published in the journal Astrophysical has outlined a novel method that could be used to detect advanced alien civilizations remotely. The premise is to look for signs of nuclear fusion on ...

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 ...

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 ...