The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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

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

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

Scientists now believe alien signals may have already reached Earth, and the reason we keep missing them has nothing to do ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

E arth is not radio quiet. Recent analysis suggests that if an alien civilization had radio observatories like the ones that are coming online here in the coming years, they would be able to spot the ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

No alien signals have been detected from an interstellar, cigar-shaped space rock discovered travelling through our Solar System in October, researchers listening for evidence of extraterrestrial ...

Scientists say bad space weather may be one reason alien tech signals have not reached our telescopes in a usable form, after ...