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 ...

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 ...

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 ...

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 ...

The International Academy of Astronautics has updated its guidelines, requiring verification and UN consultation before announcing or responding to potential alien signals, to prevent misinformation ...

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 ...