A new interpretation of the famous Drake equation finds little reason to be optimistic about the search for extraterrestrial intelligence.

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.

First proposed by Pennsylvania State University scientists Jacob Haqq-Misra and Seth Baum in 2009, the “Sustainability Solution” suggests that if aliens do exist, they likely wouldn’t create the ...

And that without the capacity to tolerate life's partial or total meaninglessness, we become perilously susceptible to ...

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 ...

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 ...