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

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 ...

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 ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

So far astronomers have discovered nearly 6,000 exoplanets—worlds that orbit stars other than our sun. If that number already feels ridiculously large, you’d better brace yourself: extrapolation of ...