From a primordial tree at the dawn of time to machine civilizations and their eventual collapse, this fictional world covers ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...

Tau is in sight.

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

A new study by Amirnezam Amiri of the University of Arkansas explores how these hypothetical "Dyson swarms" would appear ...

Only at the precipice do we evolve.” Those words, spoken by Professor Barnhardt in The Day the Earth Stood Still, capture one ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

This consciousness begins in Israel and radiates outward. It demands sweat, blood, tears of sorrow and tears of joy. The arena of our mission is not Mars, but the broken places of Earth: Africa, Asia ...

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...

The iconic and critically acclaimed Mass Effect sci-fi video game saga includes four main titles thus far, but which of the ...