Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

The textbook grew out of more than a decade of teaching. What began as a graduate seminar evolved into undergraduate and ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

The president promised to spill the beans about little green men. Is that why the US Cybersecurity and Infrastructure Security Agency registered the domains alien.gov and aliens.gov, asks Arwa Mahdawi ...

Astronomer Jill Tarter has been scanning the skies for signals from intelligent aliens for the past 35 years, but now she's making a career change. Tarter, the inspiration for heroine Ellie Arroway in ...

In the third week of August 1977, Ohio State University astronomer Jerry Ehrman was going over a computer printout of signals collected a few days earlier from his university’s “Big Ear” radio ...

Dive into the intriguing world of alien evolution! From convergent evolution to the basics of extraterrestrial anatomy, explore the possibilities of intelligent life and how it may differ or ...

Add Yahoo as a preferred source to see more of our stories on Google. Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, ...

Add Yahoo as a preferred source to see more of our stories on Google. In his classic science fiction novel Contact, Carl Sagan remarked, “The universe is a pretty big place. If it's just us, seems ...

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

SETI Institute researchers suggest solar winds may have obscured alien signals by widening their frequency bands, potentially ...