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

A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it appeared in July 2025.

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent misinformation, panic and confusion in the age of social media and AI.

What steps can be taken to identify why we haven’t received radio signals from an extraterrestrial intelligence, also called technosignatures? This is what a recent study published in The ...

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

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

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...

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

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...