Visitors from beyond the stars have arrived. What secrets could our intergalactic friends share? What wonders could these space chums unveil? They DO NOT come in peace. The aliens have arrived, and ...

Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest exoplanets, Proxima Centauri b. What conditions make this planet a candidate for ...

If humanity ever makes contact with an intelligent extraterrestrial civilization, we will have no shortage of questions.

I don’t know how likely extraterrestrial life might be. But no matter what, the truth of Christianity will stand. This is how strange our times are: Last week, two United States presidents engaged the ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures? Reading time 3 minutes Assuming aliens do physics like us but are ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

On a 1964 mission to study deep waters in the Antarctic, the National Science Foundation’s (NSF) research vessel Eltanin ...