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

Across deserts, jungles, and polar ice, new discoveries are quietly stretching the story of civilization further back in time than many of us learned in school. As archaeologists debate mysterious ...

The Silurian Hypothesis explores a strange question: if an advanced civilization existed millions of years before humans, would we even know it? Geological processes erase most traces of the distant ...

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