Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

An alien-themed "micro resort" just minutes from Utah's Zion National Park has landed back on the market with a $1.49 million price tag. The commercially zoned compound, which was originally listed ...

As Nicolas Roeg’s enigmatic, unclassifiable film – in which David Bowie plays an alien visiting Earth – turns 50, we look back at Tom Milne’s deciphering of it. From our Summer 1976 issue.

If someone told you there’s a place in Colorado specifically built for watching aliens, you’d probably assume it was a joke.

As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

What: SETI Institute Artists-in-Residence present Exoplanetary Poetry, an art-science collaboration that trains artificial intelligence on exoplanet atmospheric chemi ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?