What if humans aren’t the first advanced civilization on Earth? According to the Silurian Hypothesis, a technologically advanced society might have existed millions of years ago — and geology would ...

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 ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...