It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...

History loves a good mystery. And honestly, few things are more unsettling than an entire civilization, with millions of ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

Past civilizations have been significantly affected by climate change, but how they adapted to new conditions centuries ago ...

Imagine arriving in a galaxy where humanity controls every star, planet, and particle of energy. This is the reality of a type three civilization, one of the most advanced stages of development that a ...

New research suggests that explanations based only on climate may not fully account for the major decline of the lowland ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...