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 ...

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 ...

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

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

E arth is not radio quiet. Recent analysis suggests that if an alien civilization had radio observatories like the ones that ...

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

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

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

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