A common axiom in the search for extraterrestrial intelligence (SETI) is that if we do detect technologically advanced aliens ...

Stories about the existence of aliens, and our chances of detecting them, tend to be positive. We are told that we might ...

Only a small fraction of our galaxy has been studied and the question of whether aliens exist is something scientists have been trying to understand, explore and figure out for a long time.

Robert Smith is convinced the aliens have won. "The invasion has happened—it's all over," says the University of Alberta ...

Sustainability may be an unavoidable feature of advanced civilizations, making advanced technology “indistinguishable from ...

So now, finally, we are on the road to finding those aliens I was so obsessed with as a kid. Or we’re on the road to finding out we really are alone in the cosmos. Either answer would be stunning.

Aliens can only see what we’ve built after we’ve already built it, and it takes time for those light signals from our constructions to make their way out into the cosmos.

We literally fight against the second law of thermodynamics to forge these exquisitely ordered, low-entropy structures out of raw materials that are decidedly high entropy in their messy natural ...

When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4% agreement, and 58.2% agreement, respectively for astrobiologists and other scientists. So, scientists ...

Are we alone? Intelligent aliens may be rare, new study suggests : Read moreOh, the good ol' Drake Equation--one of the least useful predictive formulae that exist.

The problem facing SETI scientists is that, based on observations so far, F probably is not near 1; otherwise, we would have noticed by now that we are not alone, assuming that intelligent aliens ...