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

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

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

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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

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 ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

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

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

Researchers from the search for extraterrestrial intelligence (SETI) may have figured out why we have not detected any alien ...

The Financial Crimes Enforcement Network (FinCEN) has issued the Treasury advisory (Advisory) required by Executive Order 14406 jointly with ...