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

More than 1,000 scientists have quietly updated the world's post‑detection protocols for alien contact, doubling down on the rule that 'no reply should be sent' without global agreement.

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 ...