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

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 ...

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 ...

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 ...

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 ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

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 ...