SETI may have missed alien signals for 60 years because stellar plasma smears transmissions into noise, a new Astrophysical ...

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

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

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

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

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

A new study reveals that turbulent stellar environments may distort extraterrestrial radio signals, making them harder to ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

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

The rules for one of humanity’s biggest possible discoveries just got a lot stricter, and a lot more aware of the world they now have to survive in. An international group of scientists has updated ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...